18281008282 has 16 divisors (see below), whose sum is σ = 28162404000. Its totient is φ = 8896608400.

The previous prime is 18281008271. The next prime is 18281008301. The reversal of 18281008282 is 28280018281.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 755032 + ... + 778867.

It is an arithmetic number, because the mean of its divisors is an integer number (1760150250).

Almost surely, 2^18281008282 is an apocalyptic number.

18281008282 is a deficient number, since it is larger than the sum of its proper divisors (9881395718).

18281008282 is a wasteful number, since it uses less digits than its factorization.

18281008282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534061.

The product of its (nonzero) digits is 32768, while the sum is 40.

Subtracting 18281008282 from its reverse (28280018281), we obtain a palindrome (9999009999).

The spelling of 18281008282 in words is "eighteen billion, two hundred eighty-one million, eight thousand, two hundred eighty-two".