194842403322 has 80 divisors (see below), whose sum is σ = 454959931680. Its totient is φ = 55625830176.

The previous prime is 194842403317. The next prime is 194842403377. The reversal of 194842403322 is 223304248491.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 21503629 + ... + 21512687.

It is an arithmetic number, because the mean of its divisors is an integer number (5686999146).

Almost surely, 2^194842403322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194842403322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227479965840).

194842403322 is an abundant number, since it is smaller than the sum of its proper divisors (260117528358).

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

194842403322 is an equidigital number, since it uses as much as digits as its factorization.

194842403322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10585 (or 10564 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 42.

The spelling of 194842403322 in words is "one hundred ninety-four billion, eight hundred forty-two million, four hundred three thousand, three hundred twenty-two".