490651266 has 16 divisors (see below), whose sum is σ = 1121488704. Its totient is φ = 140186064.

The previous prime is 490651247. The next prime is 490651267. The reversal of 490651266 is 662156094.

It is not an unprimeable number, because it can be changed into a prime (490651267) by changing a digit.

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, 5841045 + ... + 5841128.

It is an arithmetic number, because the mean of its divisors is an integer number (70093044).

Almost surely, 2^490651266 is an apocalyptic number.

490651266 is an abundant number, since it is smaller than the sum of its proper divisors (630837438).

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

490651266 is a wasteful number, since it uses less digits than its factorization.

490651266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11682185.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 490651266 is about 22150.6493358547. The cubic root of 490651266 is about 788.7226411816.

The spelling of 490651266 in words is "four hundred ninety million, six hundred fifty-one thousand, two hundred sixty-six".