489998600000 has 1008 divisors, whose sum is σ = 1597716489600. Its totient is φ = 145566720000.

The previous prime is 489998599967. The next prime is 489998600027. The reversal of 489998600000 is 6899984.

It is a Cunningham number, because it is equal to 699999²-1.

It is a taxicab number since it can be written as a sum of two cubes in more than one way. Here 489998600000 = 1640³ + 7860³ = 6036³ + 6464³.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 4495399946 + ... + 4495400054.

It is an arithmetic number, because the mean of its divisors is an integer number (1585036200).

Almost surely, 2^489998600000 is an apocalyptic number.

489998600000 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 489998600000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (798858244800).

489998600000 is an abundant number, since it is smaller than the sum of its proper divisors (1107717889600).

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

489998600000 is a wasteful number, since it uses less digits than its factorization.

489998600000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 53.

The spelling of 489998600000 in words is "four hundred eighty-nine billion, nine hundred ninety-eight million, six hundred thousand".