560987640 has 64 divisors (see below), whose sum is σ = 1869962400. Its totient is φ = 149596416.

The previous prime is 560987593. The next prime is 560987657. The reversal of 560987640 is 46789065.

560987640 is a `hidden beast` number, since 560 + 9 + 87 + 6 + 4 + 0 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 258637 + ... + 260796.

Almost surely, 2^560987640 is an apocalyptic number.

It is an amenable number.

560987640 is an abundant number, since it is smaller than the sum of its proper divisors (1308974760).

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

560987640 is a wasteful number, since it uses less digits than its factorization.

560987640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519453 (or 519443 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 560987640 is about 23685.1776434123. The cubic root of 560987640 is about 824.7413403994.

The spelling of 560987640 in words is "five hundred sixty million, nine hundred eighty-seven thousand, six hundred forty".