489291056 has 40 divisors (see below), whose sum is σ = 974026944. Its totient is φ = 237992960.

The previous prime is 489291043. The next prime is 489291079. The reversal of 489291056 is 650192984.

It is a junction number, because it is equal to n+sod(n) for n = 489290998 and 489291016.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128216 + ... + 131976.

Almost surely, 2^489291056 is an apocalyptic number.

It is an amenable number.

489291056 is a deficient number, since it is larger than the sum of its proper divisors (484735888).

489291056 is a wasteful number, since it uses less digits than its factorization.

489291056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3989 (or 3983 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 489291056 is about 22119.9244121674. The cubic root of 489291056 is about 787.9931200925.

The spelling of 489291056 in words is "four hundred eighty-nine million, two hundred ninety-one thousand, fifty-six".