568900640 has 192 divisors, whose sum is σ = 1705390848. Its totient is φ = 174182400.

The previous prime is 568900589. The next prime is 568900649. The reversal of 568900640 is 46009865.

It is a junction number, because it is equal to n+sod(n) for n = 568900594 and 568900603.

It is not an unprimeable number, because it can be changed into a prime (568900649) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 751142 + ... + 751898.

It is an arithmetic number, because the mean of its divisors is an integer number (8882244).

Almost surely, 2^568900640 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 568900640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (852695424).

568900640 is an abundant number, since it is smaller than the sum of its proper divisors (1136490208).

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

568900640 is a wasteful number, since it uses less digits than its factorization.

568900640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851 (or 843 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 568900640 is about 23851.6380988812. The cubic root of 568900640 is about 828.6010401059.

The spelling of 568900640 in words is "five hundred sixty-eight million, nine hundred thousand, six hundred forty".