564448838 has 16 divisors (see below), whose sum is σ = 880572480. Its totient is φ = 271118016.

The previous prime is 564448813. The next prime is 564448847. The reversal of 564448838 is 838844465.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 42431 + ... + 54122.

It is an arithmetic number, because the mean of its divisors is an integer number (55035780).

Almost surely, 2^564448838 is an apocalyptic number.

564448838 is a deficient number, since it is larger than the sum of its proper divisors (316123642).

564448838 is a wasteful number, since it uses less digits than its factorization.

564448838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96671.

The product of its digits is 2949120, while the sum is 50.

The square root of 564448838 is about 23758.1320393671. The cubic root of 564448838 is about 826.4340350516.

The spelling of 564448838 in words is "five hundred sixty-four million, four hundred forty-eight thousand, eight hundred thirty-eight".