18282728282 has 64 divisors (see below), whose sum is σ = 34707391488. Its totient is φ = 7029504000.

The previous prime is 18282728279. The next prime is 18282728287. The reversal of 18282728282 is 28282728281.

It is a happy number.

It is a super-3 number, since 3×18282728282³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18282728282.

It is not an unprimeable number, because it can be changed into a prime (18282728287) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2017682 + ... + 2026722.

It is an arithmetic number, because the mean of its divisors is an integer number (542302992).

Almost surely, 2^18282728282 is an apocalyptic number.

18282728282 is a deficient number, since it is larger than the sum of its proper divisors (16424663206).

18282728282 is a wasteful number, since it uses less digits than its factorization.

18282728282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9375.

The product of its digits is 917504, while the sum is 50.

Subtracting 18282728282 from its reverse (28282728281), we obtain a palindrome (9999999999).

The spelling of 18282728282 in words is "eighteen billion, two hundred eighty-two million, seven hundred twenty-eight thousand, two hundred eighty-two".