194995998030 has 64 divisors (see below), whose sum is σ = 473625895680. Its totient is φ = 51373698816.

The previous prime is 194995998023. The next prime is 194995998047. The reversal of 194995998030 is 30899599491.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3397149 + ... + 3454071.

It is an arithmetic number, because the mean of its divisors is an integer number (7400404620).

Almost surely, 2^194995998030 is an apocalyptic number.

194995998030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

194995998030 is an abundant number, since it is smaller than the sum of its proper divisors (278629897650).

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

194995998030 is a wasteful number, since it uses less digits than its factorization.

194995998030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58305.

The product of its (nonzero) digits is 28343520, while the sum is 66.

The spelling of 194995998030 in words is "one hundred ninety-four billion, nine hundred ninety-five million, nine hundred ninety-eight thousand, thirty".