402760164 has 24 divisors (see below), whose sum is σ = 943679968. Its totient is φ = 133695360.

The previous prime is 402760151. The next prime is 402760177. The reversal of 402760164 is 461067204.

It is an interprime number because it is at equal distance from previous prime (402760151) and next prime (402760177).

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, 66742 + ... + 72525.

Almost surely, 2^402760164 is an apocalyptic number.

It is an amenable number.

402760164 is an abundant number, since it is smaller than the sum of its proper divisors (540919804).

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

402760164 is a wasteful number, since it uses less digits than its factorization.

402760164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139515 (or 139513 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 402760164 is about 20068.8854698013. The cubic root of 402760164 is about 738.4971716212.

The spelling of 402760164 in words is "four hundred two million, seven hundred sixty thousand, one hundred sixty-four".