565180728 has 32 divisors (see below), whose sum is σ = 1614802560. Its totient is φ = 161480160.

The previous prime is 565180727. The next prime is 565180751. The reversal of 565180728 is 827081565.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 565180728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565180723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1681918 + ... + 1682253.

It is an arithmetic number, because the mean of its divisors is an integer number (50462580).

Almost surely, 2^565180728 is an apocalyptic number.

It is an amenable number.

565180728 is an abundant number, since it is smaller than the sum of its proper divisors (1049621832).

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

565180728 is a wasteful number, since it uses less digits than its factorization.

565180728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3364187 (or 3364183 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 42.

The square root of 565180728 is about 23773.5299861001. The cubic root of 565180728 is about 826.7910780785.

The spelling of 565180728 in words is "five hundred sixty-five million, one hundred eighty thousand, seven hundred twenty-eight".