305040331664 has 20 divisors (see below), whose sum is σ = 591027491760. Its totient is φ = 152517108000.

The previous prime is 305040331663. The next prime is 305040331699. The reversal of 305040331664 is 466133040503.

It is not an unprimeable number, because it can be changed into a prime (305040331663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 782039 + ... + 1105289.

It is an arithmetic number, because the mean of its divisors is an integer number (29551374588).

Almost surely, 2^305040331664 is an apocalyptic number.

It is an amenable number.

305040331664 is a deficient number, since it is larger than the sum of its proper divisors (285987160096).

305040331664 is a wasteful number, since it uses less digits than its factorization.

305040331664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382238 (or 382232 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 35.

The spelling of 305040331664 in words is "three hundred five billion, forty million, three hundred thirty-one thousand, six hundred sixty-four".