568320390 has 48 divisors (see below), whose sum is σ = 1611966096. Its totient is φ = 137774400.

The previous prime is 568320359. The next prime is 568320433. The reversal of 568320390 is 93023865.

568320390 is a `hidden beast` number, since 568 + 3 + 2 + 0 + 3 + 90 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 286041 + ... + 288020.

It is an arithmetic number, because the mean of its divisors is an integer number (33582627).

Almost surely, 2^568320390 is an apocalyptic number.

568320390 is an abundant number, since it is smaller than the sum of its proper divisors (1043645706).

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

568320390 is a wasteful number, since it uses less digits than its factorization.

568320390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574085 (or 574082 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 568320390 is about 23839.4712609152. The cubic root of 568320390 is about 828.3192338320.

The spelling of 568320390 in words is "five hundred sixty-eight million, three hundred twenty thousand, three hundred ninety".