4440489984 has 320 divisors, whose sum is σ = 15225091200. Its totient is φ = 1263403008.

The previous prime is 4440489979. The next prime is 4440490031. The reversal of 4440489984 is 4899840444.

4440489984 is a `hidden beast` number, since 44 + 40 + 489 + 9 + 84 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 4440489984.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 18579337 + ... + 18579575.

It is an arithmetic number, because the mean of its divisors is an integer number (47578410).

Almost surely, 2^4440489984 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 4440489984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7612545600).

4440489984 is an abundant number, since it is smaller than the sum of its proper divisors (10784601216).

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

4440489984 is an frugal number, since it uses more digits than its factorization.

4440489984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 54.

The square root of 4440489984 is about 66637.0016132179. The cubic root of 4440489984 is about 1643.6536112881.

The spelling of 4440489984 in words is "four billion, four hundred forty million, four hundred eighty-nine thousand, nine hundred eighty-four".