402652532 has 12 divisors (see below), whose sum is σ = 707720580. Its totient is φ = 200446656.

The previous prime is 402652519. The next prime is 402652553. The reversal of 402652532 is 235256204.

It can be written as a sum of positive squares in 2 ways, for example, as 219158416 + 183494116 = 14804^2 + 13546^2 .

It is a super-2 number, since 2×402652532² = 324258123052022048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 402652495 and 402652504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218873 + ... + 220704.

It is an arithmetic number, because the mean of its divisors is an integer number (58976715).

Almost surely, 2^402652532 is an apocalyptic number.

It is an amenable number.

402652532 is a deficient number, since it is larger than the sum of its proper divisors (305068048).

402652532 is a wasteful number, since it uses less digits than its factorization.

402652532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439810 (or 439808 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 402652532 is about 20066.2037266644. The cubic root of 402652532 is about 738.4313814263.

The spelling of 402652532 in words is "four hundred two million, six hundred fifty-two thousand, five hundred thirty-two".