489818220 has 24 divisors (see below), whose sum is σ = 1371491184. Its totient is φ = 130618176.

The previous prime is 489818213. The next prime is 489818221. The reversal of 489818220 is 22818984.

It is not an unprimeable number, because it can be changed into a prime (489818221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4081759 + ... + 4081878.

It is an arithmetic number, because the mean of its divisors is an integer number (57145466).

Almost surely, 2^489818220 is an apocalyptic number.

It is an amenable number.

489818220 is an abundant number, since it is smaller than the sum of its proper divisors (881672964).

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

489818220 is a wasteful number, since it uses less digits than its factorization.

489818220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8163649 (or 8163647 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 42.

The square root of 489818220 is about 22131.8372486335. The cubic root of 489818220 is about 788.2760140907.

The spelling of 489818220 in words is "four hundred eighty-nine million, eight hundred eighteen thousand, two hundred twenty".