400525032 has 64 divisors (see below), whose sum is σ = 1096804800. Its totient is φ = 121318400.

The previous prime is 400525007. The next prime is 400525039. The reversal of 400525032 is 230525004.

It is not an unprimeable number, because it can be changed into a prime (400525039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5094 + ... + 28757.

It is an arithmetic number, because the mean of its divisors is an integer number (17137575).

Almost surely, 2^400525032 is an apocalyptic number.

It is an amenable number.

400525032 is an abundant number, since it is smaller than the sum of its proper divisors (696279768).

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

400525032 is a wasteful number, since it uses less digits than its factorization.

400525032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33906 (or 33902 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 400525032 is about 20013.1214956588. The cubic root of 400525032 is about 737.1285311886.

The spelling of 400525032 in words is "four hundred million, five hundred twenty-five thousand, thirty-two".