305465818068 has 18 divisors (see below), whose sum is σ = 772149706874. Its totient is φ = 101821939344.

The previous prime is 305465817967. The next prime is 305465818069. The reversal of 305465818068 is 860818564503.

305465818068 is a `hidden beast` number, since 3 + 0 + 54 + 6 + 581 + 8 + 0 + 6 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 242991815364 + 62474002704 = 492942^2 + 249948^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305465818069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4242580771 + ... + 4242580842.

Almost surely, 2^305465818068 is an apocalyptic number.

It is an amenable number.

305465818068 is an abundant number, since it is smaller than the sum of its proper divisors (466683888806).

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

305465818068 is a wasteful number, since it uses less digits than its factorization.

305465818068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8485161623 (or 8485161618 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 54.

The spelling of 305465818068 in words is "three hundred five billion, four hundred sixty-five million, eight hundred eighteen thousand, sixty-eight".