44391625 has 16 divisors (see below), whose sum is σ = 55935360. Its totient is φ = 35170800.

The previous prime is 44391623. The next prime is 44391629. The reversal of 44391625 is 52619344.

It is a happy number.

44391625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 44391625 - 2¹ = 44391623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44391623) 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 15 ways as a sum of consecutive naturals, for example, 11716 + ... + 15034.

It is an arithmetic number, because the mean of its divisors is an integer number (3495960).

Almost surely, 2^44391625 is an apocalyptic number.

It is an amenable number.

44391625 is a deficient number, since it is larger than the sum of its proper divisors (11543735).

44391625 is a wasteful number, since it uses less digits than its factorization.

44391625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3441 (or 3431 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

The square root of 44391625 is about 6662.7040306470. The cubic root of 44391625 is about 354.0791448478.

The spelling of 44391625 in words is "forty-four million, three hundred ninety-one thousand, six hundred twenty-five".