18555600048 has 80 divisors (see below), whose sum is σ = 49290535680. Its totient is φ = 6010737408.

The previous prime is 18555600017. The next prime is 18555600097. The reversal of 18555600048 is 84000655581.

It is a junction number, because it is equal to n+sod(n) for n = 18555599982 and 18555600009.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1569423 + ... + 1581201.

It is an arithmetic number, because the mean of its divisors is an integer number (616131696).

Almost surely, 2^18555600048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18555600048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24645267840).

18555600048 is an abundant number, since it is smaller than the sum of its proper divisors (30734935632).

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

18555600048 is a wasteful number, since it uses less digits than its factorization.

18555600048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12714 (or 12708 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 42.

The spelling of 18555600048 in words is "eighteen billion, five hundred fifty-five million, six hundred thousand, forty-eight".