194750640422 has 16 divisors (see below), whose sum is σ = 316708585200. Its totient is φ = 89281654752.

The previous prime is 194750640361. The next prime is 194750640479. The reversal of 194750640422 is 224046057491.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 25131728 + ... + 25139475.

It is an arithmetic number, because the mean of its divisors is an integer number (19794286575).

Almost surely, 2^194750640422 is an apocalyptic number.

194750640422 is a deficient number, since it is larger than the sum of its proper divisors (121957944778).

194750640422 is a wasteful number, since it uses less digits than its factorization.

194750640422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50271367.

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 194750640422 in words is "one hundred ninety-four billion, seven hundred fifty million, six hundred forty thousand, four hundred twenty-two".