489807833976 has 160 divisors (see below), whose sum is σ = 1488047410080. Its totient is φ = 149917132800.

The previous prime is 489807833971. The next prime is 489807834049. The reversal of 489807833976 is 679338708984.

489807833976 is a `hidden beast` number, since 4 + 89 + 80 + 7 + 83 + 397 + 6 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489807833971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 90580 + ... + 993891.

It is an arithmetic number, because the mean of its divisors is an integer number (9300296313).

Almost surely, 2^489807833976 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 489807833976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (744023705040).

489807833976 is an abundant number, since it is smaller than the sum of its proper divisors (998239576104).

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

489807833976 is a wasteful number, since it uses less digits than its factorization.

489807833976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084547 (or 1084534 counting only the distinct ones).

The product of its (nonzero) digits is 438939648, while the sum is 72.

The spelling of 489807833976 in words is "four hundred eighty-nine billion, eight hundred seven million, eight hundred thirty-three thousand, nine hundred seventy-six".