568716853840 has 20 divisors (see below), whose sum is σ = 1322266685364. Its totient is φ = 227486741504.

The previous prime is 568716853811. The next prime is 568716853891. The reversal of 568716853840 is 48358617865.

It can be written as a sum of positive squares in 2 ways, for example, as 306765330496 + 261951523344 = 553864^2 + 511812^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 3554480257 + ... + 3554480416.

Almost surely, 2^568716853840 is an apocalyptic number.

It is an amenable number.

568716853840 is an abundant number, since it is smaller than the sum of its proper divisors (753549831524).

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

568716853840 is a wasteful number, since it uses less digits than its factorization.

568716853840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7108960686 (or 7108960680 counting only the distinct ones).

The product of its (nonzero) digits is 38707200, while the sum is 61.

The spelling of 568716853840 in words is "five hundred sixty-eight billion, seven hundred sixteen million, eight hundred fifty-three thousand, eight hundred forty".