4438439528068 has 72 divisors (see below), whose sum is σ = 9788692076352. Its totient is φ = 1745351850816.

The previous prime is 4438439528063. The next prime is 4438439528141. The reversal of 4438439528068 is 8608259348344.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4438439528063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4789846 + ... + 5640877.

It is an arithmetic number, because the mean of its divisors is an integer number (135954056616).

Almost surely, 2^{4438439528068} is an apocalyptic number.

It is an amenable number.

4438439528068 is an abundant number, since it is smaller than the sum of its proper divisors (5350252548284).

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

4438439528068 is a wasteful number, since it uses less digits than its factorization.

4438439528068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10430921 (or 10430912 counting only the distinct ones).

The product of its (nonzero) digits is 159252480, while the sum is 64.

The spelling of 4438439528068 in words is "four trillion, four hundred thirty-eight billion, four hundred thirty-nine million, five hundred twenty-eight thousand, sixty-eight".