68109244900 has 72 divisors (see below), whose sum is σ = 156764028960. Its totient is φ = 25612704000.

The previous prime is 68109244877. The next prime is 68109244921. The reversal of 68109244900 is 944290186.

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, 112080 + ... + 385720.

It is an arithmetic number, because the mean of its divisors is an integer number (2177278180).

Almost surely, 2^68109244900 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68109244900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78382014480).

68109244900 is an abundant number, since it is smaller than the sum of its proper divisors (88654784060).

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

68109244900 is a wasteful number, since it uses less digits than its factorization.

68109244900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273805 (or 273798 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The spelling of 68109244900 in words is "sixty-eight billion, one hundred nine million, two hundred forty-four thousand, nine hundred".