489888000000 has 1344 divisors, whose sum is σ = 2098660636800. Its totient is φ = 111974400000.

The previous prime is 489887999999. The next prime is 489888000023. The reversal of 489888000000 is 888984.

It is a tau number, because it is divible by the number of its divisors (1344).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 489888000000.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 69983999997 + ... + 69984000003.

It is an arithmetic number, because the mean of its divisors is an integer number (1561503450).

Almost surely, 2^489888000000 is an apocalyptic number.

489888000000 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 489888000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1049330318400).

489888000000 is an abundant number, since it is smaller than the sum of its proper divisors (1608772636800).

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

489888000000 is an frugal number, since it uses more digits than its factorization.

489888000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80 (or 17 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 45.

Adding to 489888000000 its reverse (888984), we get a palindrome (489888888984).

The spelling of 489888000000 in words is "four hundred eighty-nine billion, eight hundred eighty-eight million", and thus it is an aban number.