490811236305 has 16 divisors (see below), whose sum is σ = 845705515200. Its totient is φ = 241630147008.

The previous prime is 490811236303. The next prime is 490811236343. The reversal of 490811236305 is 503632118094.

It is not a de Polignac number, because 490811236305 - 2¹ = 490811236303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (490811236303) by changing a digit.

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, 1258490155 + ... + 1258490544.

It is an arithmetic number, because the mean of its divisors is an integer number (52856594700).

Almost surely, 2^490811236305 is an apocalyptic number.

It is an amenable number.

490811236305 is a deficient number, since it is larger than the sum of its proper divisors (354894278895).

490811236305 is a wasteful number, since it uses less digits than its factorization.

490811236305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2516980720.

The product of its (nonzero) digits is 155520, while the sum is 42.

The spelling of 490811236305 in words is "four hundred ninety billion, eight hundred eleven million, two hundred thirty-six thousand, three hundred five".