568464864 has 96 divisors (see below), whose sum is σ = 1632960000. Its totient is φ = 171724800.

The previous prime is 568464863. The next prime is 568464881. The reversal of 568464864 is 468464865.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (568464863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 454512 + ... + 455760.

It is an arithmetic number, because the mean of its divisors is an integer number (17010000).

Almost surely, 2^568464864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 568464864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (816480000).

568464864 is an abundant number, since it is smaller than the sum of its proper divisors (1064495136).

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

568464864 is a wasteful number, since it uses less digits than its factorization.

568464864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1704 (or 1696 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 51.

The square root of 568464864 is about 23842.5012110726. The cubic root of 568464864 is about 828.3894175147.

Subtracting from 568464864 its reverse (468464865), we obtain a palindrome (99999999).

The spelling of 568464864 in words is "five hundred sixty-eight million, four hundred sixty-four thousand, eight hundred sixty-four".