18282645224042 has 8 divisors (see below), whose sum is σ = 27424344772836. Its totient is φ = 9141196966432.

The previous prime is 18282645224021. The next prime is 18282645224069. The reversal of 18282645224042 is 24042254628281.

It is a Cunningham number, because it is equal to 4275821²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 18282645224041 + 1 = 4275821^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×18282645224042³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

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, 62640803 + ... + 62931990.

Almost surely, 2^{18282645224042} is an apocalyptic number.

18282645224042 is a deficient number, since it is larger than the sum of its proper divisors (9141699548794).

18282645224042 is a wasteful number, since it uses less digits than its factorization.

18282645224042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125645592.

The product of its (nonzero) digits is 3932160, while the sum is 50.

The spelling of 18282645224042 in words is "eighteen trillion, two hundred eighty-two billion, six hundred forty-five million, two hundred twenty-four thousand, forty-two".