18285027436 has 12 divisors (see below), whose sum is σ = 34460244112. Its totient is φ = 8439243408.

The previous prime is 18285027427. The next prime is 18285027443. The reversal of 18285027436 is 63472058281.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175817520 + ... + 175817623.

Almost surely, 2^18285027436 is an apocalyptic number.

It is an amenable number.

18285027436 is a deficient number, since it is larger than the sum of its proper divisors (16175216676).

18285027436 is a wasteful number, since it uses less digits than its factorization.

18285027436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351635160 (or 351635158 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 46.

The spelling of 18285027436 in words is "eighteen billion, two hundred eighty-five million, twenty-seven thousand, four hundred thirty-six".