44443980 has 108 divisors (see below), whose sum is σ = 156854880. Its totient is φ = 10156608.

The previous prime is 44443961. The next prime is 44443991. The reversal of 44443980 is 8934444.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6301 + ... + 11339.

It is an arithmetic number, because the mean of its divisors is an integer number (1452360).

Almost surely, 2^44443980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44443980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78427440).

44443980 is an abundant number, since it is smaller than the sum of its proper divisors (112410900).

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

44443980 is a wasteful number, since it uses less digits than its factorization.

44443980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5068 (or 5056 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 44443980 is about 6666.6318332423. The cubic root of 44443980 is about 354.2182891919.

The spelling of 44443980 in words is "forty-four million, four hundred forty-three thousand, nine hundred eighty".