489122568 has 48 divisors (see below), whose sum is σ = 1445137200. Its totient is φ = 148218720.

The previous prime is 489122563. The next prime is 489122581. The reversal of 489122568 is 865221984.

489122568 is a `hidden beast` number, since 4 + 89 + 1 + 2 + 2 + 568 = 666.

It is not an unprimeable number, because it can be changed into a prime (489122563) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 307998 + ... + 309581.

It is an arithmetic number, because the mean of its divisors is an integer number (30107025).

Almost surely, 2^489122568 is an apocalyptic number.

It is an amenable number.

489122568 is an abundant number, since it is smaller than the sum of its proper divisors (956014632).

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

489122568 is a wasteful number, since it uses less digits than its factorization.

489122568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617602 (or 617595 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 489122568 is about 22116.1155721343. The cubic root of 489122568 is about 787.9026608960.

The spelling of 489122568 in words is "four hundred eighty-nine million, one hundred twenty-two thousand, five hundred sixty-eight".