194788994382 has 48 divisors (see below), whose sum is σ = 428670562320. Its totient is φ = 63915664896.

The previous prime is 194788994311. The next prime is 194788994423. The reversal of 194788994382 is 283499887491.

194788994382 is a `hidden beast` number, since 1 + 94 + 78 + 8 + 9 + 94 + 382 = 666.

194788994382 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 194788994382.

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, 178494 + ... + 649182.

It is an arithmetic number, because the mean of its divisors is an integer number (8930636715).

Almost surely, 2^194788994382 is an apocalyptic number.

194788994382 is an abundant number, since it is smaller than the sum of its proper divisors (233881567938).

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

194788994382 is a wasteful number, since it uses less digits than its factorization.

194788994382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471057 (or 471054 counting only the distinct ones).

The product of its digits is 250822656, while the sum is 72.

The spelling of 194788994382 in words is "one hundred ninety-four billion, seven hundred eighty-eight million, nine hundred ninety-four thousand, three hundred eighty-two".