564774144 has 72 divisors (see below), whose sum is σ = 1639794912. Its totient is φ = 171141120.

The previous prime is 564774121. The next prime is 564774149. The reversal of 564774144 is 441477465.

It is a junction number, because it is equal to n+sod(n) for n = 564774096 and 564774105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564774149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24979 + ... + 41874.

Almost surely, 2^564774144 is an apocalyptic number.

It is an amenable number.

564774144 is an abundant number, since it is smaller than the sum of its proper divisors (1075020768).

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

564774144 is a wasteful number, since it uses less digits than its factorization.

564774144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66883 (or 66869 counting only the distinct ones).

The product of its digits is 376320, while the sum is 42.

The square root of 564774144 is about 23764.9772564587. The cubic root of 564774144 is about 826.5927694379.

The spelling of 564774144 in words is "five hundred sixty-four million, seven hundred seventy-four thousand, one hundred forty-four".