44445790 has 16 divisors (see below), whose sum is σ = 81197712. Its totient is φ = 17512704.

The previous prime is 44445781. The next prime is 44445823. The reversal of 44445790 is 9754444.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32499 + ... + 33838.

It is an arithmetic number, because the mean of its divisors is an integer number (5074857).

Almost surely, 2^44445790 is an apocalyptic number.

44445790 is a deficient number, since it is larger than the sum of its proper divisors (36751922).

44445790 is a wasteful number, since it uses less digits than its factorization.

44445790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66411.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 44445790 is about 6666.7675825695. The cubic root of 44445790 is about 354.2230976902.

The spelling of 44445790 in words is "forty-four million, four hundred forty-five thousand, seven hundred ninety".