68856199044 has 24 divisors (see below), whose sum is σ = 169120489440. Its totient is φ = 21744062784.

The previous prime is 68856199031. The next prime is 68856199073. The reversal of 68856199044 is 44099165886.

It is a super-2 number, since 2×68856199044² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151000209 + ... + 151000664.

It is an arithmetic number, because the mean of its divisors is an integer number (7046687060).

Almost surely, 2^68856199044 is an apocalyptic number.

It is an amenable number.

68856199044 is an abundant number, since it is smaller than the sum of its proper divisors (100264290396).

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

68856199044 is a wasteful number, since it uses less digits than its factorization.

68856199044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302000899 (or 302000897 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 60.

The spelling of 68856199044 in words is "sixty-eight billion, eight hundred fifty-six million, one hundred ninety-nine thousand, forty-four".