79841570442 has 16 divisors (see below), whose sum is σ = 168087516960. Its totient is φ = 25213127472.

The previous prime is 79841570437. The next prime is 79841570453. The reversal of 79841570442 is 24407514897.

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, 350182213 + ... + 350182440.

It is an arithmetic number, because the mean of its divisors is an integer number (10505469810).

Almost surely, 2^79841570442 is an apocalyptic number.

79841570442 is an abundant number, since it is smaller than the sum of its proper divisors (88245946518).

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

79841570442 is a wasteful number, since it uses less digits than its factorization.

79841570442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700364677.

The product of its (nonzero) digits is 2257920, while the sum is 51.

The spelling of 79841570442 in words is "seventy-nine billion, eight hundred forty-one million, five hundred seventy thousand, four hundred forty-two".