401525232 has 40 divisors (see below), whose sum is σ = 1045456896. Its totient is φ = 132785856.

The previous prime is 401525231. The next prime is 401525249. The reversal of 401525232 is 232525104.

It is a super-2 number, since 2×401525232² = 322445023865307648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401525231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26838 + ... + 39029.

Almost surely, 2^401525232 is an apocalyptic number.

It is an amenable number.

401525232 is an abundant number, since it is smaller than the sum of its proper divisors (643931664).

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

401525232 is a wasteful number, since it uses less digits than its factorization.

401525232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66005 (or 65999 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 401525232 is about 20038.0945201883. The cubic root of 401525232 is about 737.7416123813.

The spelling of 401525232 in words is "four hundred one million, five hundred twenty-five thousand, two hundred thirty-two".