3865035535328 has 192 divisors, whose sum is σ = 8973287930880. Its totient is φ = 1619933644800.

The previous prime is 3865035535327. The next prime is 3865035535369. The reversal of 3865035535328 is 8235355305683.

3865035535328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3865035535327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56860850 + ... + 56928782.

It is an arithmetic number, because the mean of its divisors is an integer number (46735874640).

Almost surely, 2^{3865035535328} is an apocalyptic number.

3865035535328 is a gapful number since it is divisible by the number (38) 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 3865035535328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4486643965440).

3865035535328 is an abundant number, since it is smaller than the sum of its proper divisors (5108252395552).

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

3865035535328 is a wasteful number, since it uses less digits than its factorization.

3865035535328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68201 (or 68193 counting only the distinct ones).

The product of its (nonzero) digits is 38880000, while the sum is 56.

The spelling of 3865035535328 in words is "three trillion, eight hundred sixty-five billion, thirty-five million, five hundred thirty-five thousand, three hundred twenty-eight".