564632644 has 15 divisors (see below), whose sum is σ = 997256267. Its totient is φ = 279726264.

The previous prime is 564632641. The next prime is 564632657. The reversal of 564632644 is 446236465.

The square root of 564632644 is 23762.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 87647044 + 476985600 = 9362^2 + 21840^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=4, B=109.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 564632597 and 564632606.

It is not an unprimeable number, because it can be changed into a prime (564632641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 4 ways as a sum of consecutive naturals, for example, 5180062 + ... + 5180170.

Almost surely, 2^564632644 is an apocalyptic number.

564632644 is the 23762-nd square number.

It is an amenable number.

564632644 is a deficient number, since it is larger than the sum of its proper divisors (432623623).

564632644 is an frugal number, since it uses more digits than its factorization.

564632644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440 (or 111 counting only the distinct ones).

The product of its digits is 414720, while the sum is 40.

The cubic root of 564632644 is about 826.5237314295.

The spelling of 564632644 in words is "five hundred sixty-four million, six hundred thirty-two thousand, six hundred forty-four".