568212640 has 96 divisors (see below), whose sum is σ = 1399749120. Its totient is φ = 217728000.

The previous prime is 568212599. The next prime is 568212647. The reversal of 568212640 is 46212865.

It is a junction number, because it is equal to n+sod(n) for n = 568212596 and 568212605.

It is not an unprimeable number, because it can be changed into a prime (568212647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 540115 + ... + 541165.

It is an arithmetic number, because the mean of its divisors is an integer number (14580720).

Almost surely, 2^568212640 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 568212640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (699874560).

568212640 is an abundant number, since it is smaller than the sum of its proper divisors (831536480).

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

568212640 is a wasteful number, since it uses less digits than its factorization.

568212640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206 (or 1198 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 568212640 is about 23837.2112462847. The cubic root of 568212640 is about 828.2668824705.

The spelling of 568212640 in words is "five hundred sixty-eight million, two hundred twelve thousand, six hundred forty".