56840076138 has 32 divisors (see below), whose sum is σ = 117089210304. Its totient is φ = 18381468672.

The previous prime is 56840076109. The next prime is 56840076143. The reversal of 56840076138 is 83167004865.

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, 291895 + ... + 445962.

It is an arithmetic number, because the mean of its divisors is an integer number (3659037822).

Almost surely, 2^56840076138 is an apocalyptic number.

56840076138 is an abundant number, since it is smaller than the sum of its proper divisors (60249134166).

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

56840076138 is a wasteful number, since it uses less digits than its factorization.

56840076138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738246.

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 56840076138 in words is "fifty-six billion, eight hundred forty million, seventy-six thousand, one hundred thirty-eight".