564235776 has 120 divisors (see below), whose sum is σ = 1753872120. Its totient is φ = 173592576.

The previous prime is 564235769. The next prime is 564235801. The reversal of 564235776 is 677532465.

564235776 is a `hidden beast` number, since 56 + 4 + 23 + 577 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55195 + ... + 64613.

It is an arithmetic number, because the mean of its divisors is an integer number (14615601).

Almost surely, 2^564235776 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 564235776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (876936060).

564235776 is an abundant number, since it is smaller than the sum of its proper divisors (1189636344).

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

564235776 is a wasteful number, since it uses less digits than its factorization.

564235776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9456 (or 9437 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 45.

The square root of 564235776 is about 23753.6476356790. The cubic root of 564235776 is about 826.3300375256.

The spelling of 564235776 in words is "five hundred sixty-four million, two hundred thirty-five thousand, seven hundred seventy-six".