44438385 has 16 divisors (see below), whose sum is σ = 72077184. Its totient is φ = 23375232.

The previous prime is 44438377. The next prime is 44438389. The reversal of 44438385 is 58383444.

It is a happy number.

It is not a de Polignac number, because 44438385 - 2³ = 44438377 is a prime.

It is a super-2 number, since 2×44438385² = 3949540122816450, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (44438389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19197 + ... + 21386.

It is an arithmetic number, because the mean of its divisors is an integer number (4504824).

Almost surely, 2^44438385 is an apocalyptic number.

It is an amenable number.

44438385 is a deficient number, since it is larger than the sum of its proper divisors (27638799).

44438385 is a wasteful number, since it uses less digits than its factorization.

44438385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40664.

The product of its digits is 184320, while the sum is 39.

The square root of 44438385 is about 6666.2121928423. The cubic root of 44438385 is about 354.2034245278.

The spelling of 44438385 in words is "forty-four million, four hundred thirty-eight thousand, three hundred eighty-five".