44418218 has 16 divisors (see below), whose sum is σ = 71945160. Its totient is φ = 20445696.

The previous prime is 44418217. The next prime is 44418251. The reversal of 44418218 is 81281444.

It can be written as a sum of positive squares in 4 ways, for example, as 44049769 + 368449 = 6637^2 + 607^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (44418217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8546 + ... + 12722.

Almost surely, 2^44418218 is an apocalyptic number.

44418218 is a deficient number, since it is larger than the sum of its proper divisors (27526942).

44418218 is a wasteful number, since it uses less digits than its factorization.

44418218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4601.

The product of its digits is 8192, while the sum is 32.

The square root of 44418218 is about 6664.6993930709. The cubic root of 44418218 is about 354.1498349617.

The spelling of 44418218 in words is "forty-four million, four hundred eighteen thousand, two hundred eighteen".