44989320 has 64 divisors (see below), whose sum is σ = 136624320. Its totient is φ = 11849984.

The previous prime is 44989313. The next prime is 44989331. The reversal of 44989320 is 2398944.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7702 + ... + 12218.

It is an arithmetic number, because the mean of its divisors is an integer number (2134755).

Almost surely, 2^44989320 is an apocalyptic number.

44989320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44989320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68312160).

44989320 is an abundant number, since it is smaller than the sum of its proper divisors (91635000).

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

44989320 is a wasteful number, since it uses less digits than its factorization.

44989320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4614 (or 4610 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 44989320 is about 6707.4078450621. The cubic root of 44989320 is about 355.6611892445.

The spelling of 44989320 in words is "forty-four million, nine hundred eighty-nine thousand, three hundred twenty".