189288308200 has 24 divisors (see below), whose sum is σ = 440095317030. Its totient is φ = 75715323200.

The previous prime is 189288308191. The next prime is 189288308243. The reversal of 189288308200 is 2803882981.

189288308200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 76809905316 + 112478402884 = 277146^2 + 335378^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 473220571 + ... + 473220970.

Almost surely, 2^189288308200 is an apocalyptic number.

189288308200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

189288308200 is an abundant number, since it is smaller than the sum of its proper divisors (250807008830).

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

189288308200 is a wasteful number, since it uses less digits than its factorization.

189288308200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946441557 (or 946441548 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 49.

The spelling of 189288308200 in words is "one hundred eighty-nine billion, two hundred eighty-eight million, three hundred eight thousand, two hundred".