564560244 has 72 divisors (see below), whose sum is σ = 1467097632. Its totient is φ = 182952000.

The previous prime is 564560239. The next prime is 564560257. The reversal of 564560244 is 442065465.

564560244 is a `hidden beast` number, since 5 + 6 + 4 + 5 + 602 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 564560199 and 564560208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 387822 + ... + 389274.

It is an arithmetic number, because the mean of its divisors is an integer number (20376356).

Almost surely, 2^564560244 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 564560244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (733548816).

564560244 is an abundant number, since it is smaller than the sum of its proper divisors (902537388).

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

564560244 is a wasteful number, since it uses less digits than its factorization.

564560244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1757 (or 1752 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The square root of 564560244 is about 23760.4765103733. The cubic root of 564560244 is about 826.4884029277.

The spelling of 564560244 in words is "five hundred sixty-four million, five hundred sixty thousand, two hundred forty-four".