3645800232 has 64 divisors (see below), whose sum is σ = 9316157760. Its totient is φ = 1188672000.

The previous prime is 3645800227. The next prime is 3645800251. The reversal of 3645800232 is 2320085463.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3645800193 and 3645800202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192132 + ... + 210252.

It is an arithmetic number, because the mean of its divisors is an integer number (145564965).

Almost surely, 2^3645800232 is an apocalyptic number.

It is an amenable number.

3645800232 is an abundant number, since it is smaller than the sum of its proper divisors (5670357528).

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

3645800232 is a wasteful number, since it uses less digits than its factorization.

3645800232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18314 (or 18310 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 3645800232 is about 60380.4623367526. The cubic root of 3645800232 is about 1539.0909674284.

Adding to 3645800232 its reverse (2320085463), we get a palindrome (5965885695).

The spelling of 3645800232 in words is "three billion, six hundred forty-five million, eight hundred thousand, two hundred thirty-two".