44021856 has 48 divisors (see below), whose sum is σ = 116424000. Its totient is φ = 14563968.

The previous prime is 44021837. The next prime is 44021863. The reversal of 44021856 is 65812044.

44021856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11695 + ... + 14993.

It is an arithmetic number, because the mean of its divisors is an integer number (2425500).

Almost surely, 2^44021856 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 44021856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58212000).

44021856 is an abundant number, since it is smaller than the sum of its proper divisors (72402144).

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

44021856 is a wasteful number, since it uses less digits than its factorization.

44021856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3451 (or 3443 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 44021856 is about 6634.8968341640. The cubic root of 44021856 is about 353.0932778667.

The spelling of 44021856 in words is "forty-four million, twenty-one thousand, eight hundred fifty-six".