402352164 has 48 divisors (see below), whose sum is σ = 1044590400. Its totient is φ = 133930368.

The previous prime is 402352123. The next prime is 402352187. The reversal of 402352164 is 461253204.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90604 + ... + 94940.

It is an arithmetic number, because the mean of its divisors is an integer number (21762300).

Almost surely, 2^402352164 is an apocalyptic number.

It is an amenable number.

402352164 is an abundant number, since it is smaller than the sum of its proper divisors (642238236).

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

402352164 is a wasteful number, since it uses less digits than its factorization.

402352164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5209 (or 5201 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 402352164 is about 20058.7179051903. The cubic root of 402352164 is about 738.2477190748.

The spelling of 402352164 in words is "four hundred two million, three hundred fifty-two thousand, one hundred sixty-four".