402528332 has 24 divisors (see below), whose sum is σ = 722165136. Its totient is φ = 196213248.

The previous prime is 402528317. The next prime is 402528349. The reversal of 402528332 is 233825204.

It is a junction number, because it is equal to n+sod(n) for n = 402528295 and 402528304.

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, 104228 + ... + 108020.

It is an arithmetic number, because the mean of its divisors is an integer number (30090214).

Almost surely, 2^402528332 is an apocalyptic number.

It is an amenable number.

402528332 is a deficient number, since it is larger than the sum of its proper divisors (319636804).

402528332 is a wasteful number, since it uses less digits than its factorization.

402528332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4457 (or 4455 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 402528332 is about 20063.1087321980. The cubic root of 402528332 is about 738.3554494488.

It can be divided in two parts, 40252 and 8332, that added together give a palindrome (48584).

The spelling of 402528332 in words is "four hundred two million, five hundred twenty-eight thousand, three hundred thirty-two".