56712440439 has 16 divisors (see below), whose sum is σ = 84082963200. Its totient is φ = 37779253848.

The previous prime is 56712440437. The next prime is 56712440467. The reversal of 56712440439 is 93404421765.

56712440439 is a `hidden beast` number, since 56 + 7 + 124 + 40 + 439 = 666.

It is not a de Polignac number, because 56712440439 - 2¹ = 56712440437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56712440394 and 56712440403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56712440437) by changing a digit.

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, 770829 + ... + 841190.

It is an arithmetic number, because the mean of its divisors is an integer number (5255185200).

Almost surely, 2^56712440439 is an apocalyptic number.

56712440439 is a deficient number, since it is larger than the sum of its proper divisors (27370522761).

56712440439 is a wasteful number, since it uses less digits than its factorization.

56712440439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613331 (or 1613325 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 56712440439 in words is "fifty-six billion, seven hundred twelve million, four hundred forty thousand, four hundred thirty-nine".