8560253640 has 64 divisors (see below), whose sum is σ = 26566315200. Its totient is φ = 2204018432.

The previous prime is 8560253629. The next prime is 8560253671. The reversal of 8560253640 is 463520658.

It is a super-3 number, since 3×8560253640³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1226442 + ... + 1233401.

It is an arithmetic number, because the mean of its divisors is an integer number (415098675).

Almost surely, 2^8560253640 is an apocalyptic number.

It is an amenable number.

8560253640 is an abundant number, since it is smaller than the sum of its proper divisors (18006061560).

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

8560253640 is a wasteful number, since it uses less digits than its factorization.

8560253640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2459886 (or 2459882 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The square root of 8560253640 is about 92521.6387662908. The cubic root of 8560253640 is about 2045.6384478028.

The spelling of 8560253640 in words is "eight billion, five hundred sixty million, two hundred fifty-three thousand, six hundred forty".