568256520 has 64 divisors (see below), whose sum is σ = 1835910720. Its totient is φ = 139878144.

The previous prime is 568256509. The next prime is 568256539. The reversal of 568256520 is 25652865.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

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 15 ways as a sum of consecutive naturals, for example, 180574 + ... + 183693.

It is an arithmetic number, because the mean of its divisors is an integer number (28686105).

Almost surely, 2^568256520 is an apocalyptic number.

It is an amenable number.

568256520 is an abundant number, since it is smaller than the sum of its proper divisors (1267654200).

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

568256520 is a wasteful number, since it uses less digits than its factorization.

568256520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364294 (or 364290 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 39.

The square root of 568256520 is about 23838.1316381968. The cubic root of 568256520 is about 828.2882027843.

The spelling of 568256520 in words is "five hundred sixty-eight million, two hundred fifty-six thousand, five hundred twenty".