489944064000 has 448 divisors, whose sum is σ = 1668801214080. Its totient is φ = 127578931200.

The previous prime is 489944063993. The next prime is 489944064017. The reversal of 489944064000 is 460449984.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132094146 + ... + 132097854.

It is an arithmetic number, because the mean of its divisors is an integer number (3725002710).

Almost surely, 2^489944064000 is an apocalyptic number.

489944064000 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 489944064000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (834400607040).

489944064000 is an abundant number, since it is smaller than the sum of its proper divisors (1178857150080).

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

489944064000 is an equidigital number, since it uses as much as digits as its factorization.

489944064000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3796 (or 3762 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 48.

The spelling of 489944064000 in words is "four hundred eighty-nine billion, nine hundred forty-four million, sixty-four thousand".