18804947200 has 432 divisors, whose sum is σ = 54162533376. Its totient is φ = 6406963200.

The previous prime is 18804947191. The next prime is 18804947201. The reversal of 18804947200 is 274940881.

It is not an unprimeable number, because it can be changed into a prime (18804947201) 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 47 ways as a sum of consecutive naturals, for example, 59321442 + ... + 59321758.

Almost surely, 2^18804947200 is an apocalyptic number.

18804947200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18804947200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27081266688).

18804947200 is an abundant number, since it is smaller than the sum of its proper divisors (35357586176).

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

18804947200 is a wasteful number, since it uses less digits than its factorization.

18804947200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410 (or 391 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 43.

The spelling of 18804947200 in words is "eighteen billion, eight hundred four million, nine hundred forty-seven thousand, two hundred".