564423768 has 32 divisors (see below), whose sum is σ = 1567844400. Its totient is φ = 188141184.

The previous prime is 564423763. The next prime is 564423779. The reversal of 564423768 is 867324465.

564423768 is a `hidden beast` number, since 564 + 4 + 23 + 7 + 68 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564423763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1306321 + ... + 1306752.

Almost surely, 2^564423768 is an apocalyptic number.

It is an amenable number.

564423768 is an abundant number, since it is smaller than the sum of its proper divisors (1003420632).

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

564423768 is a wasteful number, since it uses less digits than its factorization.

564423768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2613088 (or 2613078 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The square root of 564423768 is about 23757.6044246890. The cubic root of 564423768 is about 826.4217995122.

The spelling of 564423768 in words is "five hundred sixty-four million, four hundred twenty-three thousand, seven hundred sixty-eight".