6444324616422 has 64 divisors (see below), whose sum is σ = 16228064060928. Its totient is φ = 1657277760000.

The previous prime is 6444324616397. The next prime is 6444324616427. The reversal of 6444324616422 is 2246164234446.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6444324616427) 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, 69006579 + ... + 69099902.

It is an arithmetic number, because the mean of its divisors is an integer number (253563500952).

Almost surely, 2^{6444324616422} is an apocalyptic number.

6444324616422 is an abundant number, since it is smaller than the sum of its proper divisors (9783739444506).

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

6444324616422 is a wasteful number, since it uses less digits than its factorization.

6444324616422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138106605.

The product of its digits is 5308416, while the sum is 48.

The spelling of 6444324616422 in words is "six trillion, four hundred forty-four billion, three hundred twenty-four million, six hundred sixteen thousand, four hundred twenty-two".