189636272000 has 192 divisors, whose sum is σ = 548462294640. Its totient is φ = 65017881600.

The previous prime is 189636271967. The next prime is 189636272047. The reversal of 189636272000 is 272636981.

189636272000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 663059 + ... + 904941.

Almost surely, 2^189636272000 is an apocalyptic number.

189636272000 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 189636272000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274231147320).

189636272000 is an abundant number, since it is smaller than the sum of its proper divisors (358826022640).

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

189636272000 is an equidigital number, since it uses as much as digits as its factorization.

189636272000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241926 (or 241897 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 189636272000 in words is "one hundred eighty-nine billion, six hundred thirty-six million, two hundred seventy-two thousand".