564400630 has 32 divisors (see below), whose sum is σ = 1035327744. Its totient is φ = 221475936.

The previous prime is 564400621. The next prime is 564400631. The reversal of 564400630 is 36004465.

It is a super-2 number, since 2×564400630² = 637096142288793800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564400631) 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 15 ways as a sum of consecutive naturals, for example, 174609 + ... + 177811.

It is an arithmetic number, because the mean of its divisors is an integer number (32353992).

Almost surely, 2^564400630 is an apocalyptic number.

564400630 is a deficient number, since it is larger than the sum of its proper divisors (470927114).

564400630 is a wasteful number, since it uses less digits than its factorization.

564400630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3540.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 564400630 is about 23757.1174598266. The cubic root of 564400630 is about 826.4105065736.

The spelling of 564400630 in words is "five hundred sixty-four million, four hundred thousand, six hundred thirty".