44118681 has 8 divisors (see below), whose sum is σ = 58865664. Its totient is φ = 29392080.

The previous prime is 44118661. The next prime is 44118707. The reversal of 44118681 is 18681144.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 44118681 - 2⁵ = 44118649 is a prime.

It is a super-2 number, since 2×44118681² = 3892916026359522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44118601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1000 + ... + 9446.

It is an arithmetic number, because the mean of its divisors is an integer number (7358208).

Almost surely, 2^44118681 is an apocalyptic number.

It is an amenable number.

44118681 is a deficient number, since it is larger than the sum of its proper divisors (14746983).

44118681 is a wasteful number, since it uses less digits than its factorization.

44118681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10191.

The product of its digits is 6144, while the sum is 33.

The square root of 44118681 is about 6642.1894733589. The cubic root of 44118681 is about 353.3519616578.

The spelling of 44118681 in words is "forty-four million, one hundred eighteen thousand, six hundred eighty-one".