491160458 has 4 divisors (see below), whose sum is σ = 736740690. Its totient is φ = 245580228.

The previous prime is 491160433. The next prime is 491160479. The reversal of 491160458 is 854061194.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 251127409 + 240033049 = 15847^2 + 15493^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 122790113 + ... + 122790116.

Almost surely, 2^491160458 is an apocalyptic number.

491160458 is a deficient number, since it is larger than the sum of its proper divisors (245580232).

491160458 is a wasteful number, since it uses less digits than its factorization.

491160458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245580231.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 491160458 is about 22162.1401944848. The cubic root of 491160458 is about 788.9953891514.

The spelling of 491160458 in words is "four hundred ninety-one million, one hundred sixty thousand, four hundred fifty-eight".