492648290 has 16 divisors (see below), whose sum is σ = 887139000. Its totient is φ = 196976640.

The previous prime is 492648263. The next prime is 492648307. The reversal of 492648290 is 92846294.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 137288089 + 355360201 = 11717^2 + 18851^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18530 + ... + 36450.

Almost surely, 2^492648290 is an apocalyptic number.

492648290 is a deficient number, since it is larger than the sum of its proper divisors (394490710).

492648290 is a wasteful number, since it uses less digits than its factorization.

492648290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20677.

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 492648290 is about 22195.6817872306. The cubic root of 492648290 is about 789.7912656883.

The spelling of 492648290 in words is "four hundred ninety-two million, six hundred forty-eight thousand, two hundred ninety".