44440031018 has 8 divisors (see below), whose sum is σ = 67168902240. Its totient is φ = 22050396940.

The previous prime is 44440031017. The next prime is 44440031047. The reversal of 44440031018 is 81013004444.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (44440031017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84808958 + ... + 84809481.

It is an arithmetic number, because the mean of its divisors is an integer number (8396112780).

Almost surely, 2^44440031018 is an apocalyptic number.

44440031018 is a deficient number, since it is larger than the sum of its proper divisors (22728871222).

44440031018 is a wasteful number, since it uses less digits than its factorization.

44440031018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169618572.

The product of its (nonzero) digits is 6144, while the sum is 29.

The spelling of 44440031018 in words is "forty-four billion, four hundred forty million, thirty-one thousand, eighteen".