4038383840 has 48 divisors (see below), whose sum is σ = 9573355008. Its totient is φ = 1609821696.

The previous prime is 4038383753. The next prime is 4038383849. The reversal of 4038383840 is 483838304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4038383849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3809 + ... + 89951.

It is an arithmetic number, because the mean of its divisors is an integer number (199444896).

Almost surely, 2^4038383840 is an apocalyptic number.

4038383840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4038383840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4786677504).

4038383840 is an abundant number, since it is smaller than the sum of its proper divisors (5534971168).

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

4038383840 is a wasteful number, since it uses less digits than its factorization.

4038383840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86451 (or 86443 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 41.

The square root of 4038383840 is about 63548.2795990576. The cubic root of 4038383840 is about 1592.4624423599.

The spelling of 4038383840 in words is "four billion, thirty-eight million, three hundred eighty-three thousand, eight hundred forty".