512445564 has 18 divisors (see below), whose sum is σ = 1295348600. Its totient is φ = 170815176.

The previous prime is 512445539. The next prime is 512445607. The reversal of 512445564 is 465544215.

512445564 is a `hidden beast` number, since 51 + 2 + 4 + 45 + 564 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 14234599 = 512445564 / (5 + 1 + 2 + 4 + 4 + 5 + 5 + 6 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7117264 + ... + 7117335.

Almost surely, 2^512445564 is an apocalyptic number.

It is an amenable number.

512445564 is an abundant number, since it is smaller than the sum of its proper divisors (782903036).

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

512445564 is a wasteful number, since it uses less digits than its factorization.

512445564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14234609 (or 14234604 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

The square root of 512445564 is about 22637.2605233054. The cubic root of 512445564 is about 800.2319972984.

Adding to 512445564 its reverse (465544215), we get a palindrome (977989779).

The spelling of 512445564 in words is "five hundred twelve million, four hundred forty-five thousand, five hundred sixty-four".