490818290 has 16 divisors (see below), whose sum is σ = 883754712. Its totient is φ = 196264704.

The previous prime is 490818277. The next prime is 490818311. The reversal of 490818290 is 92818094.

It can be written as a sum of positive squares in 4 ways, for example, as 380211001 + 110607289 = 19499^2 + 10517^2 .

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, 37712 + ... + 49028.

Almost surely, 2^490818290 is an apocalyptic number.

490818290 is a deficient number, since it is larger than the sum of its proper divisors (392936422).

490818290 is a wasteful number, since it uses less digits than its factorization.

490818290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15661.

The product of its (nonzero) digits is 41472, while the sum is 41.

The square root of 490818290 is about 22154.4191979840. The cubic root of 490818290 is about 788.8121281378.

The spelling of 490818290 in words is "four hundred ninety million, eight hundred eighteen thousand, two hundred ninety".