565790464 has 72 divisors (see below), whose sum is σ = 1237314960. Its totient is φ = 257015808.

The previous prime is 565790453. The next prime is 565790479. The reversal of 565790464 is 464097565.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123967 + ... + 128449.

It is an arithmetic number, because the mean of its divisors is an integer number (17184930).

Almost surely, 2^565790464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 565790464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (618657480).

565790464 is an abundant number, since it is smaller than the sum of its proper divisors (671524496).

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

565790464 is a wasteful number, since it uses less digits than its factorization.

565790464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4545 (or 4531 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 46.

The square root of 565790464 is about 23786.3503715892. The cubic root of 565790464 is about 827.0882945733.

The spelling of 565790464 in words is "five hundred sixty-five million, seven hundred ninety thousand, four hundred sixty-four".