44259220 has 48 divisors (see below), whose sum is σ = 97025040. Its totient is φ = 16937984.

The previous prime is 44259217. The next prime is 44259239. The reversal of 44259220 is 2295244.

44259220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 2862864 + 41396356 = 1692^2 + 6434^2 .

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 15 ways as a sum of consecutive naturals, for example, 79182 + ... + 79738.

It is an arithmetic number, because the mean of its divisors is an integer number (2021355).

Almost surely, 2^44259220 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 44259220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48512520).

44259220 is an abundant number, since it is smaller than the sum of its proper divisors (52765820).

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

44259220 is a wasteful number, since it uses less digits than its factorization.

44259220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732 (or 730 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 44259220 is about 6652.7603293671. The cubic root of 44259220 is about 353.7267620324.

The spelling of 44259220 in words is "forty-four million, two hundred fifty-nine thousand, two hundred twenty".