489684772080 has 320 divisors, whose sum is σ = 1946739686400. Its totient is φ = 110819404800.

The previous prime is 489684772069. The next prime is 489684772123. The reversal of 489684772080 is 80277486984.

489684772080 is a `hidden beast` number, since 4 + 8 + 9 + 68 + 477 + 20 + 80 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 489684771999 and 489684772017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1366791 + ... + 1687449.

It is an arithmetic number, because the mean of its divisors is an integer number (6083561520).

Almost surely, 2^489684772080 is an apocalyptic number.

489684772080 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 489684772080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (973369843200).

489684772080 is an abundant number, since it is smaller than the sum of its proper divisors (1457054914320).

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

489684772080 is a wasteful number, since it uses less digits than its factorization.

489684772080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320789 (or 320777 counting only the distinct ones).

The product of its (nonzero) digits is 43352064, while the sum is 63.

The spelling of 489684772080 in words is "four hundred eighty-nine billion, six hundred eighty-four million, seven hundred seventy-two thousand, eighty".