490912066 has 16 divisors (see below), whose sum is σ = 742649400. Its totient is φ = 243370368.

The previous prime is 490912061. The next prime is 490912067. The reversal of 490912066 is 660219094.

It can be written as a sum of positive squares in 4 ways, for example, as 468073225 + 22838841 = 21635^2 + 4779^2 .

It is not an unprimeable number, because it can be changed into a prime (490912061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139780 + ... + 143248.

Almost surely, 2^490912066 is an apocalyptic number.

490912066 is a deficient number, since it is larger than the sum of its proper divisors (251737334).

490912066 is a wasteful number, since it uses less digits than its factorization.

490912066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4053.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 490912066 is about 22156.5355143804. The cubic root of 490912066 is about 788.8623618917.

The spelling of 490912066 in words is "four hundred ninety million, nine hundred twelve thousand, sixty-six".