42204056194 has 8 divisors (see below), whose sum is σ = 63311125500. Its totient is φ = 21100347696.

The previous prime is 42204056189. The next prime is 42204056263. The reversal of 42204056194 is 49165040224.

It can be written as a sum of positive squares in 2 ways, for example, as 30822366969 + 11381689225 = 175563^2 + 106685^2 .

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

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, 808569 + ... + 859180.

Almost surely, 2^42204056194 is an apocalyptic number.

42204056194 is a deficient number, since it is larger than the sum of its proper divisors (21107069306).

42204056194 is a wasteful number, since it uses less digits than its factorization.

42204056194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680404.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 42204056194 in words is "forty-two billion, two hundred four million, fifty-six thousand, one hundred ninety-four".