490866810508 has 12 divisors (see below), whose sum is σ = 859040984200. Its totient is φ = 245426529312.

The previous prime is 490866810463. The next prime is 490866810509. The reversal of 490866810508 is 805018668094.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (490866810509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1556658 + ... + 1845241.

Almost surely, 2^490866810508 is an apocalyptic number.

It is an amenable number.

490866810508 is a deficient number, since it is larger than the sum of its proper divisors (368174173692).

490866810508 is a wasteful number, since it uses less digits than its factorization.

490866810508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3437976 (or 3437974 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 55.

The spelling of 490866810508 in words is "four hundred ninety billion, eight hundred sixty-six million, eight hundred ten thousand, five hundred eight".