44990 has 16 divisors (see below), whose sum is σ = 88560. Its totient is φ = 16320.

The previous prime is 44987. The next prime is 45007. The reversal of 44990 is 9944.

It is a plaindrome in base 14.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 44990.

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, 95 + ... + 314.

It is an arithmetic number, because the mean of its divisors is an integer number (5535).

2⁴⁴⁹⁹⁰ is an apocalyptic number.

44990 is a deficient number, since it is larger than the sum of its proper divisors (43570).

44990 is a wasteful number, since it uses less digits than its factorization.

44990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 44990 is about 212.1084628203. The cubic root of 44990 is about 35.5662981139.

It can be divided in two parts, 4 and 4990, that added together give a palindrome (4994).

The spelling of 44990 in words is "forty-four thousand, nine hundred ninety".