194425940418 has 8 divisors (see below), whose sum is σ = 388851880848. Its totient is φ = 64808646804.

The previous prime is 194425940413. The next prime is 194425940419. The reversal of 194425940418 is 814049524491.

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

194425940418 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (194425940413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16202161696 + ... + 16202161707.

It is an arithmetic number, because the mean of its divisors is an integer number (48606485106).

Almost surely, 2^194425940418 is an apocalyptic number.

194425940418 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

194425940418 is a wasteful number, since it uses less digits than its factorization.

194425940418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32404323408.

The product of its (nonzero) digits is 1658880, while the sum is 51.

The spelling of 194425940418 in words is "one hundred ninety-four billion, four hundred twenty-five million, nine hundred forty thousand, four hundred eighteen".