44018 has 8 divisors (see below), whose sum is σ = 71148. Its totient is φ = 20304.

The previous prime is 44017. The next prime is 44021. The reversal of 44018 is 81044.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 41209 + 2809 = 203^2 + 53^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 43987 and 44005.

It is not an unprimeable number, because it can be changed into a prime (44017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 821 + ... + 872.

2⁴⁴⁰¹⁸ is an apocalyptic number.

44018 is a deficient number, since it is larger than the sum of its proper divisors (27130).

44018 is a wasteful number, since it uses less digits than its factorization.

44018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1708.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 44018 is about 209.8046710633. The cubic root of 44018 is about 35.3082968083.

The spelling of 44018 in words is "forty-four thousand, eighteen".