564660236 has 48 divisors (see below), whose sum is σ = 1202838336. Its totient is φ = 226412544.

The previous prime is 564660197. The next prime is 564660269. The reversal of 564660236 is 632066465.

It is a self number, because there is not a number n which added to its sum of digits gives 564660236.

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, 78920 + ... + 85776.

It is an arithmetic number, because the mean of its divisors is an integer number (25059132).

Almost surely, 2^564660236 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 564660236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (601419168).

564660236 is an abundant number, since it is smaller than the sum of its proper divisors (638178100).

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

564660236 is a wasteful number, since it uses less digits than its factorization.

564660236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7058 (or 7056 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 38.

The square root of 564660236 is about 23762.5805837666. The cubic root of 564660236 is about 826.5371945024.

The spelling of 564660236 in words is "five hundred sixty-four million, six hundred sixty thousand, two hundred thirty-six".