44391434671 has 16 divisors (see below), whose sum is σ = 49119459264. Its totient is φ = 39904026624.

The previous prime is 44391434663. The next prime is 44391434693. The reversal of 44391434671 is 17643419344.

It is a cyclic number.

It is not a de Polignac number, because 44391434671 - 2³ = 44391434663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44391434641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178795 + ... + 347491.

It is an arithmetic number, because the mean of its divisors is an integer number (3069966204).

Almost surely, 2^44391434671 is an apocalyptic number.

44391434671 is a deficient number, since it is larger than the sum of its proper divisors (4728024593).

44391434671 is a wasteful number, since it uses less digits than its factorization.

44391434671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169410.

The product of its digits is 870912, while the sum is 46.

The spelling of 44391434671 in words is "forty-four billion, three hundred ninety-one million, four hundred thirty-four thousand, six hundred seventy-one".