489944449984 has 224 divisors, whose sum is σ = 1125587483136. Its totient is φ = 209410375680.

The previous prime is 489944449901. The next prime is 489944449997.

489944449984 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 489944449984.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 540180859 + ... + 540181765.

Almost surely, 2^489944449984 is an apocalyptic number.

489944449984 is a gapful number since it is divisible by the number (44) 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 489944449984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (562793741568).

489944449984 is an abundant number, since it is smaller than the sum of its proper divisors (635643033152).

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

489944449984 is a wasteful number, since it uses less digits than its factorization.

489944449984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1483 (or 1473 counting only the distinct ones).

The product of its digits is 1719926784, while the sum is 76.

The spelling of 489944449984 in words is "four hundred eighty-nine billion, nine hundred forty-four million, four hundred forty-nine thousand, nine hundred eighty-four".