4438338768 has 60 divisors (see below), whose sum is σ = 12475517860. Its totient is φ = 1472974848.

The previous prime is 4438338677. The next prime is 4438338769. The reversal of 4438338768 is 8678338344.

It can be written as a sum of positive squares in 2 ways, for example, as 2655134784 + 1783203984 = 51528^2 + 42228^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4438338769) 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 11 ways as a sum of consecutive naturals, for example, 34321 + ... + 100272.

Almost surely, 2^4438338768 is an apocalyptic number.

4438338768 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

4438338768 is an abundant number, since it is smaller than the sum of its proper divisors (8037179092).

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

4438338768 is a wasteful number, since it uses less digits than its factorization.

4438338768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134836 (or 134827 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 54.

The square root of 4438338768 is about 66620.8583553229. The cubic root of 4438338768 is about 1643.3881432053.

It can be divided in two parts, 4438 and 338768, that added together give a triangular number (343206 = T₈₂₈).

The spelling of 4438338768 in words is "four billion, four hundred thirty-eight million, three hundred thirty-eight thousand, seven hundred sixty-eight".