491468910 has 16 divisors (see below), whose sum is σ = 1179525456. Its totient is φ = 131058368.

The previous prime is 491468909. The next prime is 491468921. The reversal of 491468910 is 19864194.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8191119 + ... + 8191178.

It is an arithmetic number, because the mean of its divisors is an integer number (73720341).

Almost surely, 2^491468910 is an apocalyptic number.

491468910 is an abundant number, since it is smaller than the sum of its proper divisors (688056546).

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

491468910 is a wasteful number, since it uses less digits than its factorization.

491468910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16382307.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 491468910 is about 22169.0980872024. The cubic root of 491468910 is about 789.1605193542.

The spelling of 491468910 in words is "four hundred ninety-one million, four hundred sixty-eight thousand, nine hundred ten".