68838755020 has 48 divisors (see below), whose sum is σ = 165228130368. Its totient is φ = 23599699200.

The previous prime is 68838755009. The next prime is 68838755047. The reversal of 68838755020 is 2055783886.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2604994 + ... + 2631286.

It is an arithmetic number, because the mean of its divisors is an integer number (3442252716).

Almost surely, 2^68838755020 is an apocalyptic number.

It is an amenable number.

68838755020 is an abundant number, since it is smaller than the sum of its proper divisors (96389375348).

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

68838755020 is a wasteful number, since it uses less digits than its factorization.

68838755020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45010 (or 45008 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 52.

The spelling of 68838755020 in words is "sixty-eight billion, eight hundred thirty-eight million, seven hundred fifty-five thousand, twenty".