568438864 has 40 divisors (see below), whose sum is σ = 1261794240. Its totient is φ = 243015168.

The previous prime is 568438861. The next prime is 568438933. The reversal of 568438864 is 468834865.

It is a super-2 number, since 2×568438864² = 646245484211220992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (568438861) 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, 40872 + ... + 52984.

It is an arithmetic number, because the mean of its divisors is an integer number (31544856).

Almost surely, 2^568438864 is an apocalyptic number.

It is an amenable number.

568438864 is an abundant number, since it is smaller than the sum of its proper divisors (693355376).

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

568438864 is a wasteful number, since it uses less digits than its factorization.

568438864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12547 (or 12541 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 52.

The square root of 568438864 is about 23841.9559600298. The cubic root of 568438864 is about 828.3767879138.

The spelling of 568438864 in words is "five hundred sixty-eight million, four hundred thirty-eight thousand, eight hundred sixty-four".