489568665600000 has 4800 divisors, whose sum is σ = 2283650187033600. Its totient is φ = 101921587200000.

The previous prime is 489568665599989. The next prime is 489568665600043. The reversal of 489568665600000 is 6566865984.

489568665600000 is a `hidden beast` number, since 4 + 8 + 9 + 5 + 6 + 8 + 66 + 560 + 0 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (4800).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 15792537599985 + ... + 15792537600015.

It is an arithmetic number, because the mean of its divisors is an integer number (475760455632).

Almost surely, 2^{489568665600000} is an apocalyptic number.

489568665600000 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 489568665600000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1141825093516800).

489568665600000 is an abundant number, since it is smaller than the sum of its proper divisors (1794081521433600).

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

489568665600000 is an frugal number, since it uses more digits than its factorization.

489568665600000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130 (or 65 counting only the distinct ones).

The product of its (nonzero) digits is 74649600, while the sum is 63.

The spelling of 489568665600000 in words is "four hundred eighty-nine trillion, five hundred sixty-eight billion, six hundred sixty-five million, six hundred thousand".