568439780388 has 12 divisors (see below), whose sum is σ = 1326359487600. Its totient is φ = 189479926792.

The previous prime is 568439780351. The next prime is 568439780453. The reversal of 568439780388 is 883087934865.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23684990838 + ... + 23684990861.

It is an arithmetic number, because the mean of its divisors is an integer number (110529957300).

Almost surely, 2^568439780388 is an apocalyptic number.

It is an amenable number.

568439780388 is an abundant number, since it is smaller than the sum of its proper divisors (757919707212).

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

568439780388 is a wasteful number, since it uses less digits than its factorization.

568439780388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47369981706 (or 47369981704 counting only the distinct ones).

The product of its (nonzero) digits is 278691840, while the sum is 69.

The spelling of 568439780388 in words is "five hundred sixty-eight billion, four hundred thirty-nine million, seven hundred eighty thousand, three hundred eighty-eight".