6441330344 has 8 divisors (see below), whose sum is σ = 12077494410. Its totient is φ = 3220665168.

The previous prime is 6441330341. The next prime is 6441330359. The reversal of 6441330344 is 4430331446.

It can be written as a sum of positive squares in only one way, i.e., 5741092900 + 700237444 = 75770^2 + 26462^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 6441330344.

It is not an unprimeable number, because it can be changed into a prime (6441330341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402583139 + ... + 402583154.

Almost surely, 2^6441330344 is an apocalyptic number.

It is an amenable number.

6441330344 is a deficient number, since it is larger than the sum of its proper divisors (5636164066).

6441330344 is a wasteful number, since it uses less digits than its factorization.

6441330344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805166299 (or 805166295 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

The square root of 6441330344 is about 80257.8989508198. The cubic root of 6441330344 is about 1860.6235955847.

The spelling of 6441330344 in words is "six billion, four hundred forty-one million, three hundred thirty thousand, three hundred forty-four".