56540404340 has 48 divisors (see below), whose sum is σ = 136732869504. Its totient is φ = 19237296000.

The previous prime is 56540404331. The next prime is 56540404357. The reversal of 56540404340 is 4340404565.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 56540404340.

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, 1523111 + ... + 1559790.

It is an arithmetic number, because the mean of its divisors is an integer number (2848601448).

Almost surely, 2^56540404340 is an apocalyptic number.

It is an amenable number.

56540404340 is an abundant number, since it is smaller than the sum of its proper divisors (80192465164).

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

56540404340 is a wasteful number, since it uses less digits than its factorization.

56540404340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3083048 (or 3083046 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

The spelling of 56540404340 in words is "fifty-six billion, five hundred forty million, four hundred four thousand, three hundred forty".