3848378240 has 128 divisors (see below), whose sum is σ = 10549656000. Its totient is φ = 1315012608.

The previous prime is 3848378221. The next prime is 3848378243. The reversal of 3848378240 is 428738483.

It is a tau number, because it is divible by the number of its divisors (128).

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3848378243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1508486 + ... + 1511034.

Almost surely, 2^3848378240 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 3848378240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5274828000).

3848378240 is an abundant number, since it is smaller than the sum of its proper divisors (6701277760).

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

3848378240 is a wasteful number, since it uses less digits than its factorization.

3848378240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2912 (or 2900 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 47.

The square root of 3848378240 is about 62035.2983389296. The cubic root of 3848378240 is about 1567.0851076844.

The spelling of 3848378240 in words is "three billion, eight hundred forty-eight million, three hundred seventy-eight thousand, two hundred forty".