3645202404 has 24 divisors (see below), whose sum is σ = 8507033248. Its totient is φ = 1214844480.

The previous prime is 3645202381. The next prime is 3645202411. The reversal of 3645202404 is 4042025463.

It is a super-2 number, since 2×3645202404² = 26575001132254758432, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48639 + ... + 98265.

Almost surely, 2^3645202404 is an apocalyptic number.

It is an amenable number.

3645202404 is an abundant number, since it is smaller than the sum of its proper divisors (4861830844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3645202404 is a wasteful number, since it uses less digits than its factorization.

3645202404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55755 (or 55753 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 3645202404 is about 60375.5116251614. The cubic root of 3645202404 is about 1539.0068375700.

Adding to 3645202404 its reverse (4042025463), we get a palindrome (7687227867).

The spelling of 3645202404 in words is "three billion, six hundred forty-five million, two hundred two thousand, four hundred four".