491010466 has 16 divisors (see below), whose sum is σ = 743053824. Its totient is φ = 243331744.

The previous prime is 491010433. The next prime is 491010469. The reversal of 491010466 is 664010194.

It is not an unprimeable number, because it can be changed into a prime (491010469) 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, 268431 + ... + 270253.

It is an arithmetic number, because the mean of its divisors is an integer number (46440864).

Almost surely, 2^491010466 is an apocalyptic number.

491010466 is a deficient number, since it is larger than the sum of its proper divisors (252043358).

491010466 is a wasteful number, since it uses less digits than its factorization.

491010466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2945.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 491010466 is about 22158.7559668859. The cubic root of 491010466 is about 788.9150657437.

It can be divided in two parts, 4910 and 10466, that added together give a square (15376 = 124²).

The spelling of 491010466 in words is "four hundred ninety-one million, ten thousand, four hundred sixty-six".