190944128 has 32 divisors (see below), whose sum is σ = 392675520. Its totient is φ = 92390400.

The previous prime is 190944121. The next prime is 190944157. The reversal of 190944128 is 821449091.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 190944091 and 190944100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190944121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20093 + ... + 28028.

It is an arithmetic number, because the mean of its divisors is an integer number (12271110).

Almost surely, 2^190944128 is an apocalyptic number.

It is an amenable number.

190944128 is an abundant number, since it is smaller than the sum of its proper divisors (201731392).

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

190944128 is an equidigital number, since it uses as much as digits as its factorization.

190944128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48166 (or 48154 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 190944128 is about 13818.2534352211. The cubic root of 190944128 is about 575.8403621392.

The spelling of 190944128 in words is "one hundred ninety million, nine hundred forty-four thousand, one hundred twenty-eight".