489022290 has 48 divisors (see below), whose sum is σ = 1275183000. Its totient is φ = 130023936.

The previous prime is 489022283. The next prime is 489022301. The reversal of 489022290 is 92220984.

It can be written as a sum of positive squares in 4 ways, for example, as 412861761 + 76160529 = 20319^2 + 8727^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23626 + ... + 39194.

Almost surely, 2^489022290 is an apocalyptic number.

489022290 is an abundant number, since it is smaller than the sum of its proper divisors (786160710).

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

489022290 is a wasteful number, since it uses less digits than its factorization.

489022290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15931 (or 15928 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 489022290 is about 22113.8483760742. The cubic root of 489022290 is about 787.8488129731.

The spelling of 489022290 in words is "four hundred eighty-nine million, twenty-two thousand, two hundred ninety".