56840268542 has 8 divisors (see below), whose sum is σ = 85262554800. Its totient is φ = 28419416944.

The previous prime is 56840268521. The next prime is 56840268547. The reversal of 56840268542 is 24586204865.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×56840268542² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56840268547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253442 + ... + 421797.

It is an arithmetic number, because the mean of its divisors is an integer number (10657819350).

Almost surely, 2^56840268542 is an apocalyptic number.

56840268542 is a deficient number, since it is larger than the sum of its proper divisors (28422286258).

56840268542 is a wasteful number, since it uses less digits than its factorization.

56840268542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717330.

The product of its (nonzero) digits is 3686400, while the sum is 50.

The spelling of 56840268542 in words is "fifty-six billion, eight hundred forty million, two hundred sixty-eight thousand, five hundred forty-two".