3864442776438 has 16 divisors (see below), whose sum is σ = 7728904843056. Its totient is φ = 1288144377120.

The previous prime is 3864442776379. The next prime is 3864442776461. The reversal of 3864442776438 is 8346772444683.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4133520 + ... + 4981452.

It is an arithmetic number, because the mean of its divisors is an integer number (483056552691).

Almost surely, 2^{3864442776438} is an apocalyptic number.

3864442776438 is an abundant number, since it is smaller than the sum of its proper divisors (3864462066618).

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

3864442776438 is a wasteful number, since it uses less digits than its factorization.

3864442776438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1607519.

The product of its digits is 520224768, while the sum is 66.

The spelling of 3864442776438 in words is "three trillion, eight hundred sixty-four billion, four hundred forty-two million, seven hundred seventy-six thousand, four hundred thirty-eight".