218283293028 has 12 divisors (see below), whose sum is σ = 509327683760. Its totient is φ = 72761097672.

The previous prime is 218283293021. The next prime is 218283293051. The reversal of 218283293028 is 820392382812.

218283293028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (218283293021) 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 3 ways as a sum of consecutive naturals, for example, 9095137198 + ... + 9095137221.

Almost surely, 2^218283293028 is an apocalyptic number.

It is an amenable number.

218283293028 is an abundant number, since it is smaller than the sum of its proper divisors (291044390732).

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

218283293028 is a wasteful number, since it uses less digits than its factorization.

218283293028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18190274426 (or 18190274424 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 48.

The spelling of 218283293028 in words is "two hundred eighteen billion, two hundred eighty-three million, two hundred ninety-three thousand, twenty-eight".