190440943556 has 12 divisors (see below), whose sum is σ = 333588758160. Its totient is φ = 95129869800.

The previous prime is 190440943547. The next prime is 190440943571. The reversal of 190440943556 is 655349044091.

190440943556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3 ways as a sum of consecutive naturals, for example, 22645766 + ... + 22654173.

It is an arithmetic number, because the mean of its divisors is an integer number (27799063180).

Almost surely, 2^190440943556 is an apocalyptic number.

It is an amenable number.

190440943556 is a deficient number, since it is larger than the sum of its proper divisors (143147814604).

190440943556 is a wasteful number, since it uses less digits than its factorization.

190440943556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45300994 (or 45300992 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 50.

The spelling of 190440943556 in words is "one hundred ninety billion, four hundred forty million, nine hundred forty-three thousand, five hundred fifty-six".