489528847872 has 120 divisors (see below), whose sum is σ = 1413756578520. Its totient is φ = 163067351040.

The previous prime is 489528847849. The next prime is 489528847897. The reversal of 489528847872 is 278748825984.

489528847872 is a `hidden beast` number, since 4 + 8 + 9 + 5 + 2 + 88 + 478 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 489528847872.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7020154 + ... + 7089542.

It is an arithmetic number, because the mean of its divisors is an integer number (11781304821).

Almost surely, 2^489528847872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 489528847872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (706878289260).

489528847872 is an abundant number, since it is smaller than the sum of its proper divisors (924227730648).

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

489528847872 is a wasteful number, since it uses less digits than its factorization.

489528847872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70944 (or 70925 counting only the distinct ones).

The product of its digits is 578027520, while the sum is 72.

The spelling of 489528847872 in words is "four hundred eighty-nine billion, five hundred twenty-eight million, eight hundred forty-seven thousand, eight hundred seventy-two".