44128836 has 72 divisors (see below), whose sum is σ = 118198080. Its totient is φ = 13857984.

The previous prime is 44128783. The next prime is 44128853. The reversal of 44128836 is 63882144.

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 44128836.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44401 + ... + 45383.

It is an arithmetic number, because the mean of its divisors is an integer number (1641640).

Almost surely, 2^44128836 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 44128836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59099040).

44128836 is an abundant number, since it is smaller than the sum of its proper divisors (74069244).

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

44128836 is a wasteful number, since it uses less digits than its factorization.

44128836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065 (or 1060 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 44128836 is about 6642.9538610471. The cubic root of 44128836 is about 353.3790704608.

The spelling of 44128836 in words is "forty-four million, one hundred twenty-eight thousand, eight hundred thirty-six".