564744540 has 48 divisors (see below), whose sum is σ = 1582479360. Its totient is φ = 150484800.

The previous prime is 564744529. The next prime is 564744547. The reversal of 564744540 is 45447465.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564744547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102865 + ... + 108215.

It is an arithmetic number, because the mean of its divisors is an integer number (32968320).

Almost surely, 2^564744540 is an apocalyptic number.

It is an amenable number.

564744540 is an abundant number, since it is smaller than the sum of its proper divisors (1017734820).

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

564744540 is a wasteful number, since it uses less digits than its factorization.

564744540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7122 (or 7120 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 39.

The square root of 564744540 is about 23764.3543989733. The cubic root of 564744540 is about 826.5783265671.

The spelling of 564744540 in words is "five hundred sixty-four million, seven hundred forty-four thousand, five hundred forty".