564205642 has 64 divisors (see below), whose sum is σ = 1173086208. Its totient is φ = 196344000.

The previous prime is 564205567. The next prime is 564205667. The reversal of 564205642 is 246502465.

It is a junction number, because it is equal to n+sod(n) for n = 564205598 and 564205607.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57517 + ... + 66607.

It is an arithmetic number, because the mean of its divisors is an integer number (18329472).

Almost surely, 2^564205642 is an apocalyptic number.

564205642 is an abundant number, since it is smaller than the sum of its proper divisors (608880566).

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

564205642 is a wasteful number, since it uses less digits than its factorization.

564205642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9155.

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 564205642 is about 23753.0133246289. The cubic root of 564205642 is about 826.3153267293.

The spelling of 564205642 in words is "five hundred sixty-four million, two hundred five thousand, six hundred forty-two".