564544332 has 144 divisors (see below), whose sum is σ = 1609695360. Its totient is φ = 165369600.

The previous prime is 564544327. The next prime is 564544333. The reversal of 564544332 is 233445465.

564544332 is a `hidden beast` number, since 5 + 645 + 4 + 4 + 3 + 3 + 2 = 666.

564544332 is nontrivially palindromic in base 8.

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

It is not an unprimeable number, because it can be changed into a prime (564544333) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1705407 + ... + 1705737.

It is an arithmetic number, because the mean of its divisors is an integer number (11178440).

Almost surely, 2^564544332 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 564544332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (804847680).

564544332 is an abundant number, since it is smaller than the sum of its proper divisors (1045151028).

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

564544332 is a wasteful number, since it uses less digits than its factorization.

564544332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484 (or 479 counting only the distinct ones).

The product of its digits is 172800, while the sum is 36.

The square root of 564544332 is about 23760.1416662443. The cubic root of 564544332 is about 826.4806380599.

Adding to 564544332 its reverse (233445465), we get a palindrome (797989797).

The spelling of 564544332 in words is "five hundred sixty-four million, five hundred forty-four thousand, three hundred thirty-two".