3864820335244 has 12 divisors (see below), whose sum is σ = 7378293367368. Its totient is φ = 1756736516000.

The previous prime is 3864820335221. The next prime is 3864820335247. The reversal of 3864820335244 is 4425330284683.

It is a junction number, because it is equal to n+sod(n) for n = 3864820335191 and 3864820335200.

It is not an unprimeable number, because it can be changed into a prime (3864820335247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43918412857 + ... + 43918412944.

It is an arithmetic number, because the mean of its divisors is an integer number (614857780614).

Almost surely, 2^{3864820335244} is an apocalyptic number.

It is an amenable number.

3864820335244 is a deficient number, since it is larger than the sum of its proper divisors (3513473032124).

3864820335244 is a wasteful number, since it uses less digits than its factorization.

3864820335244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87836825816 (or 87836825814 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 52.

The spelling of 3864820335244 in words is "three trillion, eight hundred sixty-four billion, eight hundred twenty million, three hundred thirty-five thousand, two hundred forty-four".