565423728 has 80 divisors (see below), whose sum is σ = 1481905152. Its totient is φ = 185760000.

The previous prime is 565423711. The next prime is 565423811. The reversal of 565423728 is 827324565.

565423728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Its product of digits (403200) is a multiple of the sum of its prime divisors (768).

It is a self number, because there is not a number n which added to its sum of digits gives 565423728.

It is a congruent number.

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, 1311673 + ... + 1312103.

Almost surely, 2^565423728 is an apocalyptic number.

It is an amenable number.

565423728 is an abundant number, since it is smaller than the sum of its proper divisors (916481424).

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

565423728 is a wasteful number, since it uses less digits than its factorization.

565423728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774 (or 768 counting only the distinct ones).

The product of its digits is 403200, while the sum is 42.

The square root of 565423728 is about 23778.6401629698. The cubic root of 565423728 is about 826.9095543081.

The spelling of 565423728 in words is "five hundred sixty-five million, four hundred twenty-three thousand, seven hundred twenty-eight".