44009990 has 16 divisors (see below), whose sum is σ = 79341120. Its totient is φ = 17576640.

The previous prime is 44009963. The next prime is 44010073. The reversal of 44009990 is 9990044.

It is a self number, because there is not a number n which added to its sum of digits gives 44009990.

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, 4130 + ... + 10250.

It is an arithmetic number, because the mean of its divisors is an integer number (4958820).

Almost surely, 2^44009990 is an apocalyptic number.

44009990 is a deficient number, since it is larger than the sum of its proper divisors (35331130).

44009990 is a wasteful number, since it uses less digits than its factorization.

44009990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6847.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 44009990 is about 6634.0025625560. The cubic root of 44009990 is about 353.0615498289.

The spelling of 44009990 in words is "forty-four million, nine thousand, nine hundred ninety".