6444584854446 has 64 divisors (see below), whose sum is σ = 13221713433600. Its totient is φ = 2093592324096.

The previous prime is 6444584854441. The next prime is 6444584854459.

It is a happy number.

6444584854446 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6444584854441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17240746 + ... + 17610578.

It is an arithmetic number, because the mean of its divisors is an integer number (206589272400).

Almost surely, 2^{6444584854446} is an apocalyptic number.

6444584854446 is an abundant number, since it is smaller than the sum of its proper divisors (6777128579154).

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

6444584854446 is a wasteful number, since it uses less digits than its factorization.

6444584854446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370393.

The product of its digits is 943718400, while the sum is 66.

The spelling of 6444584854446 in words is "six trillion, four hundred forty-four billion, five hundred eighty-four million, eight hundred fifty-four thousand, four hundred forty-six".