565680140 has 24 divisors (see below), whose sum is σ = 1191346800. Its totient is φ = 225620928.

The previous prime is 565680127. The next prime is 565680163. The reversal of 565680140 is 41086565.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 565680140.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 33542 + ... + 47501.

It is an arithmetic number, because the mean of its divisors is an integer number (49639450).

Almost surely, 2^565680140 is an apocalyptic number.

It is an amenable number.

565680140 is an abundant number, since it is smaller than the sum of its proper divisors (625666660).

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

565680140 is a wasteful number, since it uses less digits than its factorization.

565680140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81401 (or 81399 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 565680140 is about 23784.0311974232. The cubic root of 565680140 is about 827.0345328445.

The spelling of 565680140 in words is "five hundred sixty-five million, six hundred eighty thousand, one hundred forty".