44090172 has 72 divisors (see below), whose sum is σ = 132926976. Its totient is φ = 12047904.

The previous prime is 44090161. The next prime is 44090191. The reversal of 44090172 is 27109044.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1993 + ... + 9599.

It is an arithmetic number, because the mean of its divisors is an integer number (1846208).

Almost surely, 2^44090172 is an apocalyptic number.

44090172 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44090172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66463488).

44090172 is an abundant number, since it is smaller than the sum of its proper divisors (88836804).

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

44090172 is a wasteful number, since it uses less digits than its factorization.

44090172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7647 (or 7642 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 44090172 is about 6640.0430721495. The cubic root of 44090172 is about 353.2758345580.

The spelling of 44090172 in words is "forty-four million, ninety thousand, one hundred seventy-two".