195432444 has 18 divisors (see below), whose sum is σ = 494009880. Its totient is φ = 65144136.

The previous prime is 195432427. The next prime is 195432467. The reversal of 195432444 is 444234591.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 5428679 = 195432444 / (1 + 9 + 5 + 4 + 3 + 2 + 4 + 4 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 195432399 and 195432408.

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 5 ways as a sum of consecutive naturals, for example, 2714304 + ... + 2714375.

Almost surely, 2^195432444 is an apocalyptic number.

It is an amenable number.

195432444 is an abundant number, since it is smaller than the sum of its proper divisors (298577436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

195432444 is a wasteful number, since it uses less digits than its factorization.

195432444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5428689 (or 5428684 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 195432444 is about 13979.7154477479. The cubic root of 195432444 is about 580.3173491199.

The spelling of 195432444 in words is "one hundred ninety-five million, four hundred thirty-two thousand, four hundred forty-four".