465646564 has 12 divisors (see below), whose sum is σ = 815049004. Its totient is φ = 232775424.

The previous prime is 465646561. The next prime is 465646607.

465646564 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 18662400 + 446984164 = 4320^2 + 21142^2 .

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (465646561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18604 + ... + 35740.

Almost surely, 2^465646564 is an apocalyptic number.

It is an amenable number.

465646564 is a deficient number, since it is larger than the sum of its proper divisors (349402440).

465646564 is a wasteful number, since it uses less digits than its factorization.

465646564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23934 (or 23932 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 46.

The square root of 465646564 is about 21578.8452888471. The cubic root of 465646564 is about 775.0900007861.

The spelling of 465646564 in words is "four hundred sixty-five million, six hundred forty-six thousand, five hundred sixty-four".