44904990 has 96 divisors (see below), whose sum is σ = 123801696. Its totient is φ = 10383360.

The previous prime is 44904989. The next prime is 44904991. The reversal of 44904990 is 9940944.

It is a happy number.

44904990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (44904989) and next prime (44904991).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44904991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 85930 + ... + 86450.

It is an arithmetic number, because the mean of its divisors is an integer number (1289601).

Almost surely, 2^44904990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44904990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61900848).

44904990 is an abundant number, since it is smaller than the sum of its proper divisors (78896706).

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

44904990 is a wasteful number, since it uses less digits than its factorization.

44904990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574 (or 561 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 44904990 is about 6701.1185633445. The cubic root of 44904990 is about 355.4388278215.

The spelling of 44904990 in words is "forty-four million, nine hundred four thousand, nine hundred ninety".