44081856 has 252 divisors, whose sum is σ = 161058352. Its totient is φ = 11225088.

The previous prime is 44081831. The next prime is 44081857. The reversal of 44081856 is 65818044.

It is a tau number, because it is divible by the number of its divisors (252).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 44081856.

It is not an unprimeable number, because it can be changed into a prime (44081857) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1520050 + ... + 1520078.

Almost surely, 2^44081856 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 44081856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80529176).

44081856 is an abundant number, since it is smaller than the sum of its proper divisors (116976496).

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

44081856 is a wasteful number, since it uses less digits than its factorization.

44081856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96 (or 54 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 44081856 is about 6639.4168418619. The cubic root of 44081856 is about 353.2536223020.

The spelling of 44081856 in words is "forty-four million, eighty-one thousand, eight hundred fifty-six".