6442328244 has 48 divisors (see below), whose sum is σ = 17111646720. Its totient is φ = 1867340640.

The previous prime is 6442328201. The next prime is 6442328281. The reversal of 6442328244 is 4428232446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1057954 + ... + 1064025.

It is an arithmetic number, because the mean of its divisors is an integer number (356492640).

Almost surely, 2^6442328244 is an apocalyptic number.

It is an amenable number.

6442328244 is an abundant number, since it is smaller than the sum of its proper divisors (10669318476).

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

6442328244 is a wasteful number, since it uses less digits than its factorization.

6442328244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2122020 (or 2122018 counting only the distinct ones).

The product of its digits is 294912, while the sum is 39.

The square root of 6442328244 is about 80264.1155436226. The cubic root of 6442328244 is about 1860.7196741023.

The spelling of 6442328244 in words is "six billion, four hundred forty-two million, three hundred twenty-eight thousand, two hundred forty-four".