489805056 has 360 divisors, whose sum is σ = 1662017280. Its totient is φ = 142331904.

The previous prime is 489805021. The next prime is 489805081. The reversal of 489805056 is 650508984.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6200025 + ... + 6200103.

Almost surely, 2^489805056 is an apocalyptic number.

489805056 is a gapful number since it is divisible by the number (46) 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 489805056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (831008640).

489805056 is an abundant number, since it is smaller than the sum of its proper divisors (1172212224).

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

489805056 is a wasteful number, since it uses less digits than its factorization.

489805056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The square root of 489805056 is about 22131.5398470147. The cubic root of 489805056 is about 788.2689523155.

The spelling of 489805056 in words is "four hundred eighty-nine million, eight hundred five thousand, fifty-six".