194426439244 has 12 divisors (see below), whose sum is σ = 340570629000. Its totient is φ = 97120545248.

The previous prime is 194426439211. The next prime is 194426439269. The reversal of 194426439244 is 442934624491.

It is a junction number, because it is equal to n+sod(n) for n = 194426439191 and 194426439200.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23163874 + ... + 23172265.

It is an arithmetic number, because the mean of its divisors is an integer number (28380885750).

Almost surely, 2^194426439244 is an apocalyptic number.

It is an amenable number.

194426439244 is a deficient number, since it is larger than the sum of its proper divisors (146144189756).

194426439244 is a wasteful number, since it uses less digits than its factorization.

194426439244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46337192 (or 46337190 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 52.

The spelling of 194426439244 in words is "one hundred ninety-four billion, four hundred twenty-six million, four hundred thirty-nine thousand, two hundred forty-four".