44428736 has 56 divisors (see below), whose sum is σ = 96950784. Its totient is φ = 20033280.

The previous prime is 44428723. The next prime is 44428739. The reversal of 44428736 is 63782444.

44428736 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 44428736.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44428739) by changing a digit.

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, 156851 + ... + 157133.

It is an arithmetic number, because the mean of its divisors is an integer number (1731264).

Almost surely, 2^44428736 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 44428736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48475392).

44428736 is an abundant number, since it is smaller than the sum of its proper divisors (52522048).

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

44428736 is a wasteful number, since it uses less digits than its factorization.

44428736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529 (or 519 counting only the distinct ones).

The product of its digits is 129024, while the sum is 38.

The square root of 44428736 is about 6665.4884292151. The cubic root of 44428736 is about 354.1777863606.

The spelling of 44428736 in words is "forty-four million, four hundred twenty-eight thousand, seven hundred thirty-six".