568618380 has 240 divisors, whose sum is σ = 2061503136. Its totient is φ = 129669120.

The previous prime is 568618367. The next prime is 568618471. The reversal of 568618380 is 83816865.

568618380 is a `hidden beast` number, since 568 + 6 + 1 + 8 + 3 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 302002 + ... + 303878.

Almost surely, 2^568618380 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 568618380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1030751568).

568618380 is an abundant number, since it is smaller than the sum of its proper divisors (1492884756).

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

568618380 is a wasteful number, since it uses less digits than its factorization.

568618380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1926 (or 1915 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 568618380 is about 23845.7203707500. The cubic root of 568618380 is about 828.4639806595.

The spelling of 568618380 in words is "five hundred sixty-eight million, six hundred eighteen thousand, three hundred eighty".