400525532 has 24 divisors (see below), whose sum is σ = 765313920. Its totient is φ = 181896560.

The previous prime is 400525459. The next prime is 400525561. The reversal of 400525532 is 235525004.

It is a congruent number.

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, 56819 + ... + 63477.

It is an arithmetic number, because the mean of its divisors is an integer number (31888080).

Almost surely, 2^400525532 is an apocalyptic number.

It is an amenable number.

400525532 is a deficient number, since it is larger than the sum of its proper divisors (364788388).

400525532 is a wasteful number, since it uses less digits than its factorization.

400525532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8041 (or 8039 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 400525532 is about 20013.1339874593. The cubic root of 400525532 is about 737.1288379228.

The spelling of 400525532 in words is "four hundred million, five hundred twenty-five thousand, five hundred thirty-two".