194011324398 has 24 divisors (see below), whose sum is σ = 423426180528. Its totient is φ = 64198393632.

The previous prime is 194011324391. The next prime is 194011324417. The reversal of 194011324398 is 893423110491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194011324391) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39334786 + ... + 39339717.

It is an arithmetic number, because the mean of its divisors is an integer number (17642757522).

Almost surely, 2^194011324398 is an apocalyptic number.

194011324398 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

194011324398 is an abundant number, since it is smaller than the sum of its proper divisors (229414856130).

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

194011324398 is a wasteful number, since it uses less digits than its factorization.

194011324398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78674648 (or 78674645 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 194011324398 in words is "one hundred ninety-four billion, eleven million, three hundred twenty-four thousand, three hundred ninety-eight".