6444382264 has 16 divisors (see below), whose sum is σ = 12084522120. Its totient is φ = 3221843040.

The previous prime is 6444382229. The next prime is 6444382267. The reversal of 6444382264 is 4622834446.

It is a self number, because there is not a number n which added to its sum of digits gives 6444382264.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6444382267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46002 + ... + 122494.

Almost surely, 2^6444382264 is an apocalyptic number.

It is an amenable number.

6444382264 is a deficient number, since it is larger than the sum of its proper divisors (5640139856).

6444382264 is a wasteful number, since it uses less digits than its factorization.

6444382264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87030 (or 87026 counting only the distinct ones).

The product of its digits is 884736, while the sum is 43.

The square root of 6444382264 is about 80276.9099056510. The cubic root of 6444382264 is about 1860.9174053761.

The spelling of 6444382264 in words is "six billion, four hundred forty-four million, three hundred eighty-two thousand, two hundred sixty-four".