44418144 has 72 divisors (see below), whose sum is σ = 123937128. Its totient is φ = 13926400.

The previous prime is 44418139. The next prime is 44418151. The reversal of 44418144 is 44181444.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26944 + ... + 28544.

It is an arithmetic number, because the mean of its divisors is an integer number (1721349).

Almost surely, 2^44418144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44418144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61968564).

44418144 is an abundant number, since it is smaller than the sum of its proper divisors (79518984).

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

44418144 is a wasteful number, since it uses less digits than its factorization.

44418144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1648 (or 1623 counting only the distinct ones).

The product of its digits is 8192, while the sum is 30.

The square root of 44418144 is about 6664.6938414304. The cubic root of 44418144 is about 354.1496382924.

Adding to 44418144 its reverse (44181444), we get a palindrome (88599588).

The spelling of 44418144 in words is "forty-four million, four hundred eighteen thousand, one hundred forty-four".