489866580 has 144 divisors (see below), whose sum is σ = 1711032960. Its totient is φ = 111124224.

The previous prime is 489866563. The next prime is 489866599. The reversal of 489866580 is 85668984.

It is a happy number.

489866580 is a `hidden beast` number, since 489 + 86 + 6 + 5 + 80 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 173742 + ... + 176538.

Almost surely, 2^489866580 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 489866580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (855516480).

489866580 is an abundant number, since it is smaller than the sum of its proper divisors (1221166380).

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

489866580 is a wasteful number, since it uses less digits than its factorization.

489866580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2958 (or 2953 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The square root of 489866580 is about 22132.9297653971. The cubic root of 489866580 is about 788.3019555331.

The spelling of 489866580 in words is "four hundred eighty-nine million, eight hundred sixty-six thousand, five hundred eighty".