79444301442 has 128 divisors (see below), whose sum is σ = 182962188288. Its totient is φ = 22782144000.

The previous prime is 79444301407. The next prime is 79444301549. The reversal of 79444301442 is 24410344497.

It is a super-2 number, since 2×79444301442² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 79444301394 and 79444301403.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13469038 + ... + 13474934.

It is an arithmetic number, because the mean of its divisors is an integer number (1429392096).

Almost surely, 2^79444301442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79444301442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91481094144).

79444301442 is an abundant number, since it is smaller than the sum of its proper divisors (103517886846).

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

79444301442 is a wasteful number, since it uses less digits than its factorization.

79444301442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6104.

The product of its (nonzero) digits is 387072, while the sum is 42.

The spelling of 79444301442 in words is "seventy-nine billion, four hundred forty-four million, three hundred one thousand, four hundred forty-two".