3852865289728 has 240 divisors, whose sum is σ = 9955025587584. Its totient is φ = 1475038494720.

The previous prime is 3852865289701. The next prime is 3852865289731. The reversal of 3852865289728 is 8279825682583.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9919926 + ... + 10301002.

Almost surely, 2^{3852865289728} 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 3852865289728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4977512793792).

3852865289728 is an abundant number, since it is smaller than the sum of its proper divisors (6102160297856).

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

3852865289728 is a wasteful number, since it uses less digits than its factorization.

3852865289728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381153 (or 381130 counting only the distinct ones).

The product of its digits is 928972800, while the sum is 73.

The spelling of 3852865289728 in words is "three trillion, eight hundred fifty-two billion, eight hundred sixty-five million, two hundred eighty-nine thousand, seven hundred twenty-eight".