44317980 has 144 divisors (see below), whose sum is σ = 162751680. Its totient is φ = 9529344.

The previous prime is 44317979. The next prime is 44317991. The reversal of 44317980 is 8971344.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20386 + ... + 22454.

It is an arithmetic number, because the mean of its divisors is an integer number (1130220).

Almost surely, 2^44317980 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 44317980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81375840).

44317980 is an abundant number, since it is smaller than the sum of its proper divisors (118433700).

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

44317980 is a wasteful number, since it uses less digits than its factorization.

44317980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2108 (or 2103 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 44317980 is about 6657.1750765621. The cubic root of 44317980 is about 353.8832325790.

The spelling of 44317980 in words is "forty-four million, three hundred seventeen thousand, nine hundred eighty".