44393117811 has 64 divisors (see below), whose sum is σ = 72406849536. Its totient is φ = 23640883200.

The previous prime is 44393117809. The next prime is 44393117831. The reversal of 44393117811 is 11871139344.

It is not a de Polignac number, because 44393117811 - 2¹ = 44393117809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44393117831) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26158915 + ... + 26160611.

It is an arithmetic number, because the mean of its divisors is an integer number (1131357024).

Almost surely, 2^44393117811 is an apocalyptic number.

44393117811 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

44393117811 is a deficient number, since it is larger than the sum of its proper divisors (28013731725).

44393117811 is a wasteful number, since it uses less digits than its factorization.

44393117811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3092.

The product of its digits is 72576, while the sum is 42.

The spelling of 44393117811 in words is "forty-four billion, three hundred ninety-three million, one hundred seventeen thousand, eight hundred eleven".