3839499440 has 40 divisors (see below), whose sum is σ = 10202100000. Its totient is φ = 1316399616.

The previous prime is 3839499439. The next prime is 3839499449. The reversal of 3839499440 is 449949383.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (3839499449) 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, 3427565 + ... + 3428684.

It is an arithmetic number, because the mean of its divisors is an integer number (255052500).

Almost surely, 2^3839499440 is an apocalyptic number.

It is an amenable number.

3839499440 is an abundant number, since it is smaller than the sum of its proper divisors (6362600560).

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

3839499440 is a wasteful number, since it uses less digits than its factorization.

3839499440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6856269 (or 6856263 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 53.

The square root of 3839499440 is about 61963.6945315561. The cubic root of 3839499440 is about 1565.8790109363.

The spelling of 3839499440 in words is "three billion, eight hundred thirty-nine million, four hundred ninety-nine thousand, four hundred forty".