489805220 has 24 divisors (see below), whose sum is σ = 1034908224. Its totient is φ = 194718816.

The previous prime is 489805219. The next prime is 489805247. The reversal of 489805220 is 22508984.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

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, 71864 + ... + 78383.

It is an arithmetic number, because the mean of its divisors is an integer number (43121176).

Almost surely, 2^489805220 is an apocalyptic number.

It is an amenable number.

489805220 is an abundant number, since it is smaller than the sum of its proper divisors (545103004).

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

489805220 is a wasteful number, since it uses less digits than its factorization.

489805220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150419 (or 150417 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 489805220 is about 22131.5435521339. The cubic root of 489805220 is about 788.2690402934.

The spelling of 489805220 in words is "four hundred eighty-nine million, eight hundred five thousand, two hundred twenty".