190890432000 has 800 divisors, whose sum is σ = 742436570304. Its totient is φ = 48660480000.

The previous prime is 190890431959. The next prime is 190890432013. The reversal of 190890432000 is 234098091.

It is a tau number, because it is divible by the number of its divisors (800).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 119231200 + ... + 119232800.

Almost surely, 2^190890432000 is an apocalyptic number.

190890432000 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 190890432000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (371218285152).

190890432000 is an abundant number, since it is smaller than the sum of its proper divisors (551546138304).

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

190890432000 is an equidigital number, since it uses as much as digits as its factorization.

190890432000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1669 (or 1634 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The spelling of 190890432000 in words is "one hundred ninety billion, eight hundred ninety million, four hundred thirty-two thousand".