18886030056 has 48 divisors (see below), whose sum is σ = 52799660160. Its totient is φ = 6092267040.

The previous prime is 18886030049. The next prime is 18886030057. The reversal of 18886030056 is 65003068881.

It is a super-2 number, since 2×18886030056² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18886029993 and 18886030020.

It is not an unprimeable number, because it can be changed into a prime (18886030057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4228510 + ... + 4232973.

It is an arithmetic number, because the mean of its divisors is an integer number (1099992920).

Almost surely, 2^18886030056 is an apocalyptic number.

It is an amenable number.

18886030056 is an abundant number, since it is smaller than the sum of its proper divisors (33913630104).

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

18886030056 is a wasteful number, since it uses less digits than its factorization.

18886030056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8461526 (or 8461519 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 18886030056 in words is "eighteen billion, eight hundred eighty-six million, thirty thousand, fifty-six".