44994990 has 32 divisors (see below), whose sum is σ = 108304416. Its totient is φ = 11963520.

The previous prime is 44994973. The next prime is 44994991. The reversal of 44994990 is 9949944.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44994991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9180 + ... + 13200.

It is an arithmetic number, because the mean of its divisors is an integer number (3384513).

Almost surely, 2^44994990 is an apocalyptic number.

44994990 is an abundant number, since it is smaller than the sum of its proper divisors (63309426).

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

44994990 is a wasteful number, since it uses less digits than its factorization.

44994990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4404.

The product of its (nonzero) digits is 419904, while the sum is 48.

The square root of 44994990 is about 6707.8304987529. The cubic root of 44994990 is about 355.6761299328.

It can be divided in two parts, 4 and 4994990, that added together give a palindrome (4994994).

The spelling of 44994990 in words is "forty-four million, nine hundred ninety-four thousand, nine hundred ninety".