18226054250 has 16 divisors (see below), whose sum is σ = 34119174024. Its totient is φ = 7290421600.

The previous prime is 18226054237. The next prime is 18226054267. The reversal of 18226054250 is 5245062281.

18226054250 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 611721289 + 17614332961 = 24733^2 + 132719^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 18226054250.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36451859 + ... + 36452358.

Almost surely, 2^18226054250 is an apocalyptic number.

18226054250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18226054250 is a deficient number, since it is larger than the sum of its proper divisors (15893119774).

18226054250 is an equidigital number, since it uses as much as digits as its factorization.

18226054250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72904234 (or 72904224 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

The spelling of 18226054250 in words is "eighteen billion, two hundred twenty-six million, fifty-four thousand, two hundred fifty".