44428385 has 8 divisors (see below), whose sum is σ = 53842536. Its totient is φ = 35190400.

The previous prime is 44428369. The next prime is 44428393. The reversal of 44428385 is 58382444.

44428385 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 4 ways, for example, as 29116816 + 15311569 = 5396^2 + 3913^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 44428385 - 2⁴ = 44428369 is a prime.

It is a Duffinian number.

It is a Curzon 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, 43484 + ... + 44493.

It is an arithmetic number, because the mean of its divisors is an integer number (6730317).

Almost surely, 2^44428385 is an apocalyptic number.

It is an amenable number.

44428385 is a deficient number, since it is larger than the sum of its proper divisors (9414151).

44428385 is a wasteful number, since it uses less digits than its factorization.

44428385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88083.

The product of its digits is 122880, while the sum is 38.

The square root of 44428385 is about 6665.4620995097. The cubic root of 44428385 is about 354.1768536555.

The spelling of 44428385 in words is "forty-four million, four hundred twenty-eight thousand, three hundred eighty-five".