79980126044 has 96 divisors (see below), whose sum is σ = 173914030080. Its totient is φ = 31338461952.

The previous prime is 79980126043. The next prime is 79980126067. The reversal of 79980126044 is 44062108997.

It is a junction number, because it is equal to n+sod(n) for n = 79980125983 and 79980126001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79980126043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38321969 + ... + 38324055.

It is an arithmetic number, because the mean of its divisors is an integer number (1811604480).

Almost surely, 2^79980126044 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 79980126044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86957015040).

79980126044 is an abundant number, since it is smaller than the sum of its proper divisors (93933904036).

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

79980126044 is a wasteful number, since it uses less digits than its factorization.

79980126044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3067 (or 3065 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 50.

The spelling of 79980126044 in words is "seventy-nine billion, nine hundred eighty million, one hundred twenty-six thousand, forty-four".