18428826888 has 32 divisors (see below), whose sum is σ = 51191186400. Its totient is φ = 6142942224.

The previous prime is 18428826887. The next prime is 18428826907. The reversal of 18428826888 is 88862882481.

18428826888 is a `hidden beast` number, since 18 + 4 + 288 + 268 + 88 = 666.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (18428826887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42659106 + ... + 42659537.

It is an arithmetic number, because the mean of its divisors is an integer number (1599724575).

Almost surely, 2^18428826888 is an apocalyptic number.

18428826888 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

18428826888 is an abundant number, since it is smaller than the sum of its proper divisors (32762359512).

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

18428826888 is a wasteful number, since it uses less digits than its factorization.

18428826888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85318658 (or 85318648 counting only the distinct ones).

The product of its digits is 25165824, while the sum is 63.

The spelling of 18428826888 in words is "eighteen billion, four hundred twenty-eight million, eight hundred twenty-six thousand, eight hundred eighty-eight".