68233636044 has 72 divisors (see below), whose sum is σ = 205689818880. Its totient is φ = 18647700192.

The previous prime is 68233636033. The next prime is 68233636091. The reversal of 68233636044 is 44063633286.

68233636044 is a `hidden beast` number, since 6 + 8 + 2 + 3 + 3 + 636 + 0 + 4 + 4 = 666.

68233636044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5880474 + ... + 5892065.

It is an arithmetic number, because the mean of its divisors is an integer number (2856803040).

Almost surely, 2^68233636044 is an apocalyptic number.

It is an amenable number.

68233636044 is an abundant number, since it is smaller than the sum of its proper divisors (137456182836).

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

68233636044 is a wasteful number, since it uses less digits than its factorization.

68233636044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11772579 (or 11772574 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 45.

The spelling of 68233636044 in words is "sixty-eight billion, two hundred thirty-three million, six hundred thirty-six thousand, forty-four".