44315990 has 16 divisors (see below), whose sum is σ = 80380080. Its totient is φ = 17590560.

The previous prime is 44315989. The next prime is 44316017. The reversal of 44315990 is 9951344.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 44315990.

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, 15605 + ... + 18224.

It is an arithmetic number, because the mean of its divisors is an integer number (5023755).

Almost surely, 2^44315990 is an apocalyptic number.

44315990 is a deficient number, since it is larger than the sum of its proper divisors (36064090).

44315990 is a wasteful number, since it uses less digits than its factorization.

44315990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33967.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 44315990 is about 6657.0256120883. The cubic root of 44315990 is about 353.8779357208.

The spelling of 44315990 in words is "forty-four million, three hundred fifteen thousand, nine hundred ninety".