56416240 has 40 divisors (see below), whose sum is σ = 136875168. Its totient is φ = 21584640.

The previous prime is 56416237. The next prime is 56416247. The reversal of 56416240 is 4261465.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 56416199 and 56416208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56416247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13491 + ... + 17170.

Almost surely, 2^56416240 is an apocalyptic number.

It is an amenable number.

56416240 is an abundant number, since it is smaller than the sum of its proper divisors (80458928).

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

56416240 is a wasteful number, since it uses less digits than its factorization.

56416240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30697 (or 30691 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 56416240 is about 7511.0744903775. The cubic root of 56416240 is about 383.5318006093.

It can be divided in two parts, 5641 and 6240, that added together give a square (11881 = 109²).

The spelling of 56416240 in words is "fifty-six million, four hundred sixteen thousand, two hundred forty".