564464466 has 24 divisors (see below), whose sum is σ = 1252837404. Its totient is φ = 183565440.

The previous prime is 564464443. The next prime is 564464477. The reversal of 564464466 is 664464465.

564464466 is a `hidden beast` number, since 564 + 46 + 4 + 46 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 373610241 + 190854225 = 19329^2 + 13815^2 .

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, 381691 + ... + 383166.

Almost surely, 2^564464466 is an apocalyptic number.

564464466 is an abundant number, since it is smaller than the sum of its proper divisors (688372938).

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

564464466 is a wasteful number, since it uses less digits than its factorization.

564464466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764906 (or 764903 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 45.

The square root of 564464466 is about 23758.4609350017. The cubic root of 564464466 is about 826.4416621922.

Subtracting 564464466 from its reverse (664464465), we obtain a palindrome (99999999).

The spelling of 564464466 in words is "five hundred sixty-four million, four hundred sixty-four thousand, four hundred sixty-six".