490818180 has 48 divisors (see below), whose sum is σ = 1403539200. Its totient is φ = 128099328.

The previous prime is 490818161. The next prime is 490818191. The reversal of 490818180 is 81818094.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84205 + ... + 89844.

It is an arithmetic number, because the mean of its divisors is an integer number (29240400).

Almost surely, 2^490818180 is an apocalyptic number.

It is an amenable number.

490818180 is an abundant number, since it is smaller than the sum of its proper divisors (912721020).

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

490818180 is a wasteful number, since it uses less digits than its factorization.

490818180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174108 (or 174106 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 39.

The square root of 490818180 is about 22154.4167154091. The cubic root of 490818180 is about 788.8120692094.

The spelling of 490818180 in words is "four hundred ninety million, eight hundred eighteen thousand, one hundred eighty".