402552532 has 24 divisors (see below), whose sum is σ = 736073856. Its totient is φ = 192269088.

The previous prime is 402552499. The next prime is 402552539. The reversal of 402552532 is 235255204.

It is a super-2 number, since 2×402552532² = 324097082039222048, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 402552532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402552539) 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, 79138 + ... + 84070.

It is an arithmetic number, because the mean of its divisors is an integer number (30669744).

Almost surely, 2^402552532 is an apocalyptic number.

It is an amenable number.

402552532 is a deficient number, since it is larger than the sum of its proper divisors (333521324).

402552532 is a wasteful number, since it uses less digits than its factorization.

402552532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5847 (or 5845 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 402552532 is about 20063.7118200995. The cubic root of 402552532 is about 738.3702457935.

The spelling of 402552532 in words is "four hundred two million, five hundred fifty-two thousand, five hundred thirty-two".