564444465 has 16 divisors (see below), whose sum is σ = 972581568. Its totient is φ = 277880256.

The previous prime is 564444431. The next prime is 564444527.

564444465 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 564444465 - 2²² = 560250161 is a prime.

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, 1447099 + ... + 1447488.

It is an arithmetic number, because the mean of its divisors is an integer number (60786348).

Almost surely, 2^564444465 is an apocalyptic number.

It is an amenable number.

564444465 is a deficient number, since it is larger than the sum of its proper divisors (408137103).

564444465 is a wasteful number, since it uses less digits than its factorization.

564444465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2894608.

The product of its digits is 921600, while the sum is 42.

The square root of 564444465 is about 23758.0400075427. The cubic root of 564444465 is about 826.4319008131.

The spelling of 564444465 in words is "five hundred sixty-four million, four hundred forty-four thousand, four hundred sixty-five".