56840420144 has 20 divisors (see below), whose sum is σ = 110504187696. Its totient is φ = 28323210432.

The previous prime is 56840420129. The next prime is 56840420167. The reversal of 56840420144 is 44102404865.

It is a junction number, because it is equal to n+sod(n) for n = 56840420098 and 56840420107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6057644 + ... + 6067019.

Almost surely, 2^56840420144 is an apocalyptic number.

It is an amenable number.

56840420144 is a deficient number, since it is larger than the sum of its proper divisors (53663767552).

56840420144 is a wasteful number, since it uses less digits than its factorization.

56840420144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12124964 (or 12124958 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 38.

The spelling of 56840420144 in words is "fifty-six billion, eight hundred forty million, four hundred twenty thousand, one hundred forty-four".