489659328000 has 720 divisors, whose sum is σ = 1844823236256. Its totient is φ = 124820889600.

The previous prime is 489659327959. The next prime is 489659328029. The reversal of 489659328000 is 823956984.

489659328000 is a `hidden beast` number, since 48 + 9 + 6 + 593 + 2 + 8 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 304703197 + ... + 304704803.

Almost surely, 2^489659328000 is an apocalyptic number.

489659328000 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 489659328000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (922411618128).

489659328000 is an abundant number, since it is smaller than the sum of its proper divisors (1355163908256).

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

489659328000 is a wasteful number, since it uses less digits than its factorization.

489659328000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692 (or 1640 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 489659328000 in words is "four hundred eighty-nine billion, six hundred fifty-nine million, three hundred twenty-eight thousand".