6442448442446 has 8 divisors (see below), whose sum is σ = 10232123996880. Its totient is φ = 3031740443488.

The previous prime is 6442448442427. The next prime is 6442448442449.

6442448442446 is nontrivially palindromic in base 10.

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

It is a junction number, because it is equal to n+sod(n) for n = 6442448442391 and 6442448442400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6442448442449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94741888826 + ... + 94741888893.

It is an arithmetic number, because the mean of its divisors is an integer number (1279015499610).

Almost surely, 2^{6442448442446} is an apocalyptic number.

6442448442446 is a deficient number, since it is larger than the sum of its proper divisors (3789675554434).

6442448442446 is a wasteful number, since it uses less digits than its factorization.

6442448442446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189483777738.

The product of its digits is 75497472, while the sum is 56.

The spelling of 6442448442446 in words is "six trillion, four hundred forty-two billion, four hundred forty-eight million, four hundred forty-two thousand, four hundred forty-six".