494276660 has 12 divisors (see below), whose sum is σ = 1037981028. Its totient is φ = 197710656.

The previous prime is 494276641. The next prime is 494276669. The reversal of 494276660 is 66672494.

It can be written as a sum of positive squares in 2 ways, for example, as 65869456 + 428407204 = 8116^2 + 20698^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494276669) 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 3 ways as a sum of consecutive naturals, for example, 12356897 + ... + 12356936.

It is an arithmetic number, because the mean of its divisors is an integer number (86498419).

Almost surely, 2^494276660 is an apocalyptic number.

It is an amenable number.

494276660 is an abundant number, since it is smaller than the sum of its proper divisors (543704368).

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

494276660 is a wasteful number, since it uses less digits than its factorization.

494276660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24713842 (or 24713840 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 44.

The square root of 494276660 is about 22232.3336606844. Note that the first 3 decimals coincide. The cubic root of 494276660 is about 790.6604848702.

The spelling of 494276660 in words is "four hundred ninety-four million, two hundred seventy-six thousand, six hundred sixty".