4428838388244 has 96 divisors (see below), whose sum is σ = 11086312652800. Its totient is φ = 1371903039360.

The previous prime is 4428838388231. The next prime is 4428838388267.

4428838388244 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×4428838388244² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 4670397 + ... + 5538075.

Almost surely, 2^{4428838388244} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4428838388244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5543156326400).

4428838388244 is an abundant number, since it is smaller than the sum of its proper divisors (6657474264556).

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

4428838388244 is a wasteful number, since it uses less digits than its factorization.

4428838388244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868133 (or 868131 counting only the distinct ones).

The product of its digits is 301989888, while the sum is 66.

The spelling of 4428838388244 in words is "four trillion, four hundred twenty-eight billion, eight hundred thirty-eight million, three hundred eighty-eight thousand, two hundred forty-four".