44491980 has 48 divisors (see below), whose sum is σ = 134162784. Its totient is φ = 10951680.

The previous prime is 44491969. The next prime is 44491981. The reversal of 44491980 is 8919444.

44491980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (44491981) 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 15 ways as a sum of consecutive naturals, for example, 27741 + ... + 29300.

It is an arithmetic number, because the mean of its divisors is an integer number (2795058).

Almost surely, 2^44491980 is an apocalyptic number.

It is an amenable number.

44491980 is an abundant number, since it is smaller than the sum of its proper divisors (89670804).

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

44491980 is a wasteful number, since it uses less digits than its factorization.

44491980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57066 (or 57064 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 44491980 is about 6670.2308805618. The cubic root of 44491980 is about 354.3457632285.

The spelling of 44491980 in words is "forty-four million, four hundred ninety-one thousand, nine hundred eighty".