305938613360818 has 32 divisors (see below), whose sum is σ = 475169469308928. Its totient is φ = 147617213486400.

The previous prime is 305938613360813. The next prime is 305938613360843. The reversal of 305938613360818 is 818063316839503.

It is a super-2 number, since 2×305938613360818² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 305938613360818.

It is not an unprimeable number, because it can be changed into a prime (305938613360813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25217623 + ... + 35324293.

It is an arithmetic number, because the mean of its divisors is an integer number (14849045915904).

Almost surely, 2^{305938613360818} is an apocalyptic number.

305938613360818 is a deficient number, since it is larger than the sum of its proper divisors (169230855948110).

305938613360818 is a wasteful number, since it uses less digits than its factorization.

305938613360818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10110058.

The product of its (nonzero) digits is 67184640, while the sum is 64.

The spelling of 305938613360818 in words is "three hundred five trillion, nine hundred thirty-eight billion, six hundred thirteen million, three hundred sixty thousand, eight hundred eighteen".