79135044140944 has 135 divisors (see below), whose sum is σ = 169617948231123. Its totient is φ = 35739717868800.

The previous prime is 79135044140917. The next prime is 79135044141007. The reversal of 79135044140944 is 44904144053197.

The square root of 79135044140944 is 8895788.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 71439346752400 + 7695697388544 = 8452180^2 + 2774112^2 .

It is a super-2 number, since 2×79135044140944² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 70846055074 + ... + 70846056190.

Almost surely, 2^{79135044140944} is an apocalyptic number.

79135044140944 is the 8895788-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79135044140944

79135044140944 is an abundant number, since it is smaller than the sum of its proper divisors (90482904090179).

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

79135044140944 is an equidigital number, since it uses as much as digits as its factorization.

79135044140944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2626 (or 1311 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 79135044140944 in words is "seventy-nine trillion, one hundred thirty-five billion, forty-four million, one hundred forty thousand, nine hundred forty-four".