44320990 has 48 divisors (see below), whose sum is σ = 96033600. Its totient is φ = 14667072.

The previous prime is 44320987. The next prime is 44321009. The reversal of 44320990 is 9902344.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12651 + ... + 15769.

It is an arithmetic number, because the mean of its divisors is an integer number (2000700).

Almost surely, 2^44320990 is an apocalyptic number.

44320990 is an abundant number, since it is smaller than the sum of its proper divisors (51712610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44320990 is a wasteful number, since it uses less digits than its factorization.

44320990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3169 (or 3162 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 44320990 is about 6657.4011445909. The cubic root of 44320990 is about 353.8912441085.

The spelling of 44320990 in words is "forty-four million, three hundred twenty thousand, nine hundred ninety".