400325604 has 24 divisors (see below), whose sum is σ = 1067535168. Its totient is φ = 114378720.

The previous prime is 400325593. The next prime is 400325617. The reversal of 400325604 is 406523004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2382807 + ... + 2382974.

It is an arithmetic number, because the mean of its divisors is an integer number (44480632).

Almost surely, 2^400325604 is an apocalyptic number.

It is an amenable number.

400325604 is an abundant number, since it is smaller than the sum of its proper divisors (667209564).

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

400325604 is a wasteful number, since it uses less digits than its factorization.

400325604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4765795 (or 4765793 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 400325604 is about 20008.1384441432. The cubic root of 400325604 is about 737.0061680716.

Adding to 400325604 its reverse (406523004), we get a palindrome (806848608).

The spelling of 400325604 in words is "four hundred million, three hundred twenty-five thousand, six hundred four".