18302262642 has 12 divisors (see below), whose sum is σ = 39654902430. Its totient is φ = 6100754208.

The previous prime is 18302262607. The next prime is 18302262653. The reversal of 18302262642 is 24626220381.

18302262642 is a `hidden beast` number, since 1 + 8 + 3 + 0 + 2 + 2 + 6 + 2 + 642 = 666.

It can be written as a sum of positive squares in only one way, i.e., 16014649401 + 2287613241 = 126549^2 + 47829^2 .

It is a junction number, because it is equal to n+sod(n) for n = 18302262597 and 18302262606.

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 5 ways as a sum of consecutive naturals, for example, 508396167 + ... + 508396202.

Almost surely, 2^18302262642 is an apocalyptic number.

18302262642 is an abundant number, since it is smaller than the sum of its proper divisors (21352639788).

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

18302262642 is a wasteful number, since it uses less digits than its factorization.

18302262642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016792377 (or 1016792374 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The spelling of 18302262642 in words is "eighteen billion, three hundred two million, two hundred sixty-two thousand, six hundred forty-two".