564612464 has 80 divisors (see below), whose sum is σ = 1241920512. Its totient is φ = 246706944.

The previous prime is 564612443. The next prime is 564612469. The reversal of 564612464 is 464216465.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564612469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 511337 + ... + 512439.

Almost surely, 2^564612464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 564612464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (620960256).

564612464 is an abundant number, since it is smaller than the sum of its proper divisors (677308048).

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

564612464 is a wasteful number, since it uses less digits than its factorization.

564612464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254 (or 1248 counting only the distinct ones).

The product of its digits is 138240, while the sum is 38.

The square root of 564612464 is about 23761.5753686493. The cubic root of 564612464 is about 826.5138846451.

The spelling of 564612464 in words is "five hundred sixty-four million, six hundred twelve thousand, four hundred sixty-four".