194892841256 has 32 divisors (see below), whose sum is σ = 375533996040. Its totient is φ = 94753721088.

The previous prime is 194892841237. The next prime is 194892841301. The reversal of 194892841256 is 652148298491.

It can be written as a sum of positive squares in 4 ways, for example, as 189529622500 + 5363218756 = 435350^2 + 73234^2 .

It is a junction number, because it is equal to n+sod(n) for n = 194892841195 and 194892841204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273350 + ... + 681546.

Almost surely, 2^194892841256 is an apocalyptic number.

It is an amenable number.

194892841256 is a deficient number, since it is larger than the sum of its proper divisors (180641154784).

194892841256 is a wasteful number, since it uses less digits than its factorization.

194892841256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409853 (or 409849 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 59.

The spelling of 194892841256 in words is "one hundred ninety-four billion, eight hundred ninety-two million, eight hundred forty-one thousand, two hundred fifty-six".