44172544 has 54 divisors (see below), whose sum is σ = 95570286. Its totient is φ = 20367360.

The previous prime is 44172529. The next prime is 44172553. The reversal of 44172544 is 44527144.

It can be written as a sum of positive squares in 3 ways, for example, as 82944 + 44089600 = 288^2 + 6640^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42754 + ... + 43774.

Almost surely, 2^44172544 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 44172544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47785143).

44172544 is an abundant number, since it is smaller than the sum of its proper divisors (51397742).

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

44172544 is a wasteful number, since it uses less digits than its factorization.

44172544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063 (or 1036 counting only the distinct ones).

The product of its digits is 17920, while the sum is 31.

The square root of 44172544 is about 6646.2428484069. The cubic root of 44172544 is about 353.4957016496.

Adding to 44172544 its reverse (44527144), we get a palindrome (88699688).

The spelling of 44172544 in words is "forty-four million, one hundred seventy-two thousand, five hundred forty-four".