565248840 has 64 divisors (see below), whose sum is σ = 1826193600. Its totient is φ = 139137792.

The previous prime is 565248839. The next prime is 565248847. The reversal of 565248840 is 48842565.

It is a super-2 number, since 2×565248840² = 639012502242691200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 565248792 and 565248801.

It is not an unprimeable number, because it can be changed into a prime (565248847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179610 + ... + 182729.

It is an arithmetic number, because the mean of its divisors is an integer number (28534275).

Almost surely, 2^565248840 is an apocalyptic number.

It is an amenable number.

565248840 is an abundant number, since it is smaller than the sum of its proper divisors (1260944760).

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

565248840 is a wasteful number, since it uses less digits than its factorization.

565248840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362366 (or 362362 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 42.

The square root of 565248840 is about 23774.9624605382. The cubic root of 565248840 is about 826.8242899516.

The spelling of 565248840 in words is "five hundred sixty-five million, two hundred forty-eight thousand, eight hundred forty".