44427728 has 10 divisors (see below), whose sum is σ = 86078754. Its totient is φ = 22213856.

The previous prime is 44427707. The next prime is 44427731. The reversal of 44427728 is 82772444.

44427728 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 only one way, i.e., 43191184 + 1236544 = 6572^2 + 1112^2 .

It is a junction number, because it is equal to n+sod(n) for n = 44427691 and 44427700.

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 as a sum of consecutive naturals, namely, 1388351 + ... + 1388382.

Almost surely, 2^44427728 is an apocalyptic number.

It is an amenable number.

44427728 is a deficient number, since it is larger than the sum of its proper divisors (41651026).

44427728 is a wasteful number, since it uses less digits than its factorization.

44427728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2776741 (or 2776735 counting only the distinct ones).

The product of its digits is 100352, while the sum is 38.

The square root of 44427728 is about 6665.4128154226. The cubic root of 44427728 is about 354.1751078096.

The spelling of 44427728 in words is "forty-four million, four hundred twenty-seven thousand, seven hundred twenty-eight".