18648005050 has 48 divisors (see below), whose sum is σ = 37688659200. Its totient is φ = 6838646400.

The previous prime is 18648005039. The next prime is 18648005059. The reversal of 18648005050 is 5050084681.

It is not an unprimeable number, because it can be changed into a prime (18648005059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 287155 + ... + 346054.

It is an arithmetic number, because the mean of its divisors is an integer number (785180400).

Almost surely, 2^18648005050 is an apocalyptic number.

18648005050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18648005050 is an abundant number, since it is smaller than the sum of its proper divisors (19040654150).

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

18648005050 is a wasteful number, since it uses less digits than its factorization.

18648005050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633271 (or 633266 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 37.

The spelling of 18648005050 in words is "eighteen billion, six hundred forty-eight million, five thousand, fifty".