564155404 has 24 divisors (see below), whose sum is σ = 1063072080. Its totient is φ = 260983296.

The previous prime is 564155369. The next prime is 564155443. The reversal of 564155404 is 404551465.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 564155404.

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, 66297 + ... + 74320.

It is an arithmetic number, because the mean of its divisors is an integer number (44294670).

Almost surely, 2^564155404 is an apocalyptic number.

It is an amenable number.

564155404 is a deficient number, since it is larger than the sum of its proper divisors (498916676).

564155404 is a wasteful number, since it uses less digits than its factorization.

564155404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140697 (or 140695 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

The square root of 564155404 is about 23751.9557931552. The cubic root of 564155404 is about 826.2908004110.

The spelling of 564155404 in words is "five hundred sixty-four million, one hundred fifty-five thousand, four hundred four".