568849920 has 160 divisors (see below), whose sum is σ = 1925957088. Its totient is φ = 142737408.

The previous prime is 568849913. The next prime is 568849973. The reversal of 568849920 is 29948865.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (51).

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, 128382 + ... + 132738.

Almost surely, 2^568849920 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 568849920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (962978544).

568849920 is an abundant number, since it is smaller than the sum of its proper divisors (1357107168).

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

568849920 is a wasteful number, since it uses less digits than its factorization.

568849920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4400 (or 4384 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 51.

The square root of 568849920 is about 23850.5748358399. The cubic root of 568849920 is about 828.5764148955.

The spelling of 568849920 in words is "five hundred sixty-eight million, eight hundred forty-nine thousand, nine hundred twenty".