194126400008 has 16 divisors (see below), whose sum is σ = 369113578560. Its totient is φ = 95696112400.

The previous prime is 194126399989. The next prime is 194126400043. The reversal of 194126400008 is 800004621491.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170885348 + ... + 170886483.

It is an arithmetic number, because the mean of its divisors is an integer number (23069598660).

Almost surely, 2^194126400008 is an apocalyptic number.

It is an amenable number.

194126400008 is a deficient number, since it is larger than the sum of its proper divisors (174987178552).

194126400008 is a wasteful number, since it uses less digits than its factorization.

194126400008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341771908 (or 341771904 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The spelling of 194126400008 in words is "one hundred ninety-four billion, one hundred twenty-six million, four hundred thousand, eight".