564497434944 has 42 divisors (see below), whose sum is σ = 1618029975770. Its totient is φ = 188165811456.

The previous prime is 564497434937. The next prime is 564497434957. The reversal of 564497434944 is 449434794465.

564497434944 is a `hidden beast` number, since 5 + 6 + 449 + 74 + 34 + 94 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 493208434944 + 71289000000 = 702288^2 + 267000^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 490014559 + ... + 490015710.

Almost surely, 2^564497434944 is an apocalyptic number.

It is an amenable number.

564497434944 is an abundant number, since it is smaller than the sum of its proper divisors (1053532540826).

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

564497434944 is a wasteful number, since it uses less digits than its factorization.

564497434944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980030287 (or 980030274 counting only the distinct ones).

The product of its digits is 209018880, while the sum is 63.

The spelling of 564497434944 in words is "five hundred sixty-four billion, four hundred ninety-seven million, four hundred thirty-four thousand, nine hundred forty-four".