491408082 has 24 divisors (see below), whose sum is σ = 1161510480. Its totient is φ = 148911480.

The previous prime is 491408081. The next prime is 491408107. The reversal of 491408082 is 280804194.

It is not an unprimeable number, because it can be changed into a prime (491408081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1240732 + ... + 1241127.

It is an arithmetic number, because the mean of its divisors is an integer number (48396270).

Almost surely, 2^491408082 is an apocalyptic number.

491408082 is an abundant number, since it is smaller than the sum of its proper divisors (670102398).

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

491408082 is a wasteful number, since it uses less digits than its factorization.

491408082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2481878 (or 2481875 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 491408082 is about 22167.7261350821. The cubic root of 491408082 is about 789.1279604709.

The spelling of 491408082 in words is "four hundred ninety-one million, four hundred eight thousand, eighty-two".