195444441 has 8 divisors (see below), whose sum is σ = 289547360. Its totient is φ = 130296276.

The previous prime is 195444437. The next prime is 195444463. The reversal of 195444441 is 144444591.

It is a happy number.

It is not a de Polignac number, because 195444441 - 2² = 195444437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 195444396 and 195444405.

It is not an unprimeable number, because it can be changed into a prime (195444421) by changing a digit.

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, 3619315 + ... + 3619368.

It is an arithmetic number, because the mean of its divisors is an integer number (36193420).

Almost surely, 2^195444441 is an apocalyptic number.

It is an amenable number.

195444441 is a deficient number, since it is larger than the sum of its proper divisors (94102919).

195444441 is an equidigital number, since it uses as much as digits as its factorization.

195444441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7238692 (or 7238686 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 195444441 is about 13980.1445271499. The cubic root of 195444441 is about 580.3292235127.

The spelling of 195444441 in words is "one hundred ninety-five million, four hundred forty-four thousand, four hundred forty-one".