diff --git a/litellm/proxy/auth/auth_checks.py b/litellm/proxy/auth/auth_checks.py
index faccb613116..2c93aad820c 100644
--- a/litellm/proxy/auth/auth_checks.py
+++ b/litellm/proxy/auth/auth_checks.py
@@ -5544,7 +5544,9 @@ def _team_member_max_budget_alert_check(
         per_key_cfg=raw_config if isinstance(raw_config, Mapping) else None,
     )
     alert_email_config: Final = {
-        pct: emails for pct, emails in (merged_config or {}).items() if pct.isdigit() and 1 <= int(pct) <= 100
+        pct: emails
+        for pct, emails in (merged_config or {}).items()
+        if pct.isdigit() and len(pct) <= 3 and 1 <= int(pct) <= 100
     }
     if not alert_email_config or spend <= 0:
         return
diff --git a/tests/test_litellm/proxy/auth/test_auth_checks.py b/tests/test_litellm/proxy/auth/test_auth_checks.py
index 184e96684ac..358ecaace36 100644
--- a/tests/test_litellm/proxy/auth/test_auth_checks.py
+++ b/tests/test_litellm/proxy/auth/test_auth_checks.py
@@ -1,5 +1,6 @@
 import asyncio
 import json
+import sys
 import time
 from collections.abc import Mapping
 from types import SimpleNamespace
@@ -3399,7 +3400,14 @@ async def test_team_member_max_budget_alert_check_drops_thresholds_outside_1_to_
     _team_member_max_budget_alert_check(
         team_id="team-1",
         team_alias="platform",
-        team_metadata={"team_member_max_budget_alert_emails": {"0": ["a@co.com"], "50": [], "150": ["b@co.com"]}},
+        team_metadata={
+            "team_member_max_budget_alert_emails": {
+                "0": ["a@co.com"],
+                "50": [],
+                "150": ["b@co.com"],
+                "1" * (sys.int_info.default_max_str_digits + 1): ["c@co.com"],
+            }
+        },
         organization_id="org-1",
         user_id="user-1",
         user_email="member@co.com",