44420425 has 36 divisors (see below), whose sum is σ = 64950208. Its totient is φ = 29520000.

The previous prime is 44420417. The next prime is 44420447. The reversal of 44420425 is 52402444.

It is a happy number.

44420425 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 44420425 - 2³ = 44420417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44420425.

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 in 35 ways as a sum of consecutive naturals, for example, 294100 + ... + 294250.

Almost surely, 2^44420425 is an apocalyptic number.

It is an amenable number.

44420425 is a deficient number, since it is larger than the sum of its proper divisors (20529783).

44420425 is a wasteful number, since it uses less digits than its factorization.

44420425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250 (or 204 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 44420425 is about 6664.8649648736. The cubic root of 44420425 is about 354.1557003909.

Adding to 44420425 its reverse (52402444), we get a palindrome (96822869).

The spelling of 44420425 in words is "forty-four million, four hundred twenty thousand, four hundred twenty-five".