6448442441 has 8 divisors (see below), whose sum is σ = 7526449920. Its totient is φ = 5409635328.

The previous prime is 6448442417. The next prime is 6448442459. The reversal of 6448442441 is 1442448446.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-6448442441 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6448442461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9799736 + ... + 9800393.

It is an arithmetic number, because the mean of its divisors is an integer number (940806240).

Almost surely, 2^6448442441 is an apocalyptic number.

It is an amenable number.

6448442441 is a deficient number, since it is larger than the sum of its proper divisors (1078007479).

6448442441 is a wasteful number, since it uses less digits than its factorization.

6448442441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19600183.

The product of its digits is 393216, while the sum is 41.

The square root of 6448442441 is about 80302.1944967882. The cubic root of 6448442441 is about 1861.3081367926.

The spelling of 6448442441 in words is "six billion, four hundred forty-eight million, four hundred forty-two thousand, four hundred forty-one".