384645863436 has 12 divisors (see below), whose sum is σ = 897507014712. Its totient is φ = 128215287808.

The previous prime is 384645863401. The next prime is 384645863443. The reversal of 384645863436 is 634368546483.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 384645863436.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16026910965 + ... + 16026910988.

It is an arithmetic number, because the mean of its divisors is an integer number (74792251226).

Almost surely, 2^384645863436 is an apocalyptic number.

It is an amenable number.

384645863436 is an abundant number, since it is smaller than the sum of its proper divisors (512861151276).

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

384645863436 is a wasteful number, since it uses less digits than its factorization.

384645863436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32053821960 (or 32053821958 counting only the distinct ones).

The product of its digits is 119439360, while the sum is 60.

The spelling of 384645863436 in words is "three hundred eighty-four billion, six hundred forty-five million, eight hundred sixty-three thousand, four hundred thirty-six".