194810203842 has 16 divisors (see below), whose sum is σ = 389625603840. Its totient is φ = 64935868592.

The previous prime is 194810203831. The next prime is 194810203897. The reversal of 194810203842 is 248302018491.

It is a junction number, because it is equal to n+sod(n) for n = 194810203794 and 194810203803.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 410608 + ... + 747140.

It is an arithmetic number, because the mean of its divisors is an integer number (24351600240).

Almost surely, 2^194810203842 is an apocalyptic number.

194810203842 is an abundant number, since it is smaller than the sum of its proper divisors (194815399998).

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

194810203842 is a wasteful number, since it uses less digits than its factorization.

194810203842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433017.

The product of its (nonzero) digits is 110592, while the sum is 42.

The spelling of 194810203842 in words is "one hundred ninety-four billion, eight hundred ten million, two hundred three thousand, eight hundred forty-two".