194498380042 has 8 divisors (see below), whose sum is σ = 293679673632. Its totient is φ = 96605155500.

The previous prime is 194498379991. The next prime is 194498380057. The reversal of 194498380042 is 240083894491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322016884 + ... + 322017487.

It is an arithmetic number, because the mean of its divisors is an integer number (36709959204).

Almost surely, 2^194498380042 is an apocalyptic number.

194498380042 is a deficient number, since it is larger than the sum of its proper divisors (99181293590).

194498380042 is a wasteful number, since it uses less digits than its factorization.

194498380042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644034524.

The product of its (nonzero) digits is 1990656, while the sum is 52.

The spelling of 194498380042 in words is "one hundred ninety-four billion, four hundred ninety-eight million, three hundred eighty thousand, forty-two".