565290465138 has 64 divisors (see below), whose sum is σ = 1450459019520. Its totient is φ = 159846483456.

The previous prime is 565290465137. The next prime is 565290465143. The reversal of 565290465138 is 831564092565.

565290465138 is a `hidden beast` number, since 5 + 65 + 2 + 90 + 465 + 1 + 38 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (565290465137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7671981 + ... + 7745312.

It is an arithmetic number, because the mean of its divisors is an integer number (22663422180).

Almost surely, 2^565290465138 is an apocalyptic number.

565290465138 is an abundant number, since it is smaller than the sum of its proper divisors (885168554382).

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

565290465138 is a wasteful number, since it uses less digits than its factorization.

565290465138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15417408 (or 15417402 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 54.

The spelling of 565290465138 in words is "five hundred sixty-five billion, two hundred ninety million, four hundred sixty-five thousand, one hundred thirty-eight".