568725649820 has 48 divisors (see below), whose sum is σ = 1211310168768. Its totient is φ = 224255646720.

The previous prime is 568725649799. The next prime is 568725649837. The reversal of 568725649820 is 28946527865.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12406382 + ... + 12452138.

It is an arithmetic number, because the mean of its divisors is an integer number (25235628516).

Almost surely, 2^568725649820 is an apocalyptic number.

It is an amenable number.

568725649820 is an abundant number, since it is smaller than the sum of its proper divisors (642584518948).

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

568725649820 is a wasteful number, since it uses less digits than its factorization.

568725649820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54590 (or 54588 counting only the distinct ones).

The product of its (nonzero) digits is 58060800, while the sum is 62.

The spelling of 568725649820 in words is "five hundred sixty-eight billion, seven hundred twenty-five million, six hundred forty-nine thousand, eight hundred twenty".