564234660 has 120 divisors (see below), whose sum is σ = 1930997376. Its totient is φ = 136779840.

The previous prime is 564234553. The next prime is 564234673. The reversal of 564234660 is 66432465.

564234660 is a `hidden beast` number, since 5 + 642 + 3 + 4 + 6 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1989 + ... + 33651.

Almost surely, 2^564234660 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 564234660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (965498688).

564234660 is an abundant number, since it is smaller than the sum of its proper divisors (1366762716).

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

564234660 is a wasteful number, since it uses less digits than its factorization.

564234660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31695 (or 31684 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The square root of 564234660 is about 23753.6241445384. The cubic root of 564234660 is about 826.3294927268.

The spelling of 564234660 in words is "five hundred sixty-four million, two hundred thirty-four thousand, six hundred sixty".