564998464 has 56 divisors (see below), whose sum is σ = 1138428000. Its totient is φ = 278192640.

The previous prime is 564998461. The next prime is 564998477. The reversal of 564998464 is 464899465.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564998461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1706779 + ... + 1707109.

Almost surely, 2^564998464 is an apocalyptic number.

It is an amenable number.

564998464 is an abundant number, since it is smaller than the sum of its proper divisors (573429536).

564998464 is a wasteful number, since it uses less digits than its factorization.

564998464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671 (or 661 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 55.

The square root of 564998464 is about 23769.6963379846. The cubic root of 564998464 is about 826.7021917905.

The spelling of 564998464 in words is "five hundred sixty-four million, nine hundred ninety-eight thousand, four hundred sixty-four".