44538018 has 32 divisors (see below), whose sum is σ = 102027264. Its totient is φ = 12696912.

The previous prime is 44538017. The next prime is 44538023. The reversal of 44538018 is 81083544.

It is a super-5 number, since 5×44538018⁵ (a number of 39 digits) contains 55555 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 44538018.

It is not an unprimeable number, because it can be changed into a prime (44538017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24621 + ... + 26367.

It is an arithmetic number, because the mean of its divisors is an integer number (3188352).

Almost surely, 2^44538018 is an apocalyptic number.

44538018 is an abundant number, since it is smaller than the sum of its proper divisors (57489246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44538018 is a wasteful number, since it uses less digits than its factorization.

44538018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2366.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 44538018 is about 6673.6809932750. The cubic root of 44538018 is about 354.4679406541.

The spelling of 44538018 in words is "forty-four million, five hundred thirty-eight thousand, eighteen".