491408758082 has 32 divisors (see below), whose sum is σ = 852497063424. Its totient is φ = 210319977600.

The previous prime is 491408758063. The next prime is 491408758103. The reversal of 491408758082 is 280857804194.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 9711803 + ... + 9762270.

It is an arithmetic number, because the mean of its divisors is an integer number (26640533232).

Almost surely, 2^491408758082 is an apocalyptic number.

491408758082 is a deficient number, since it is larger than the sum of its proper divisors (361088305342).

491408758082 is a wasteful number, since it uses less digits than its factorization.

491408758082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19474154.

The product of its (nonzero) digits is 5160960, while the sum is 56.

The spelling of 491408758082 in words is "four hundred ninety-one billion, four hundred eight million, seven hundred fifty-eight thousand, eighty-two".