189850843200 has 336 divisors, whose sum is σ = 645538236480. Its totient is φ = 48790855680.

The previous prime is 189850843177. The next prime is 189850843241. The reversal of 189850843200 is 2348058981.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 189850843200.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 109549534 + ... + 109551266.

Almost surely, 2^189850843200 is an apocalyptic number.

189850843200 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 189850843200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322769118240).

189850843200 is an abundant number, since it is smaller than the sum of its proper divisors (455687393280).

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

189850843200 is a wasteful number, since it uses less digits than its factorization.

189850843200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2574 (or 2559 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 48.

The spelling of 189850843200 in words is "one hundred eighty-nine billion, eight hundred fifty million, eight hundred forty-three thousand, two hundred".