384323538128 has 40 divisors (see below), whose sum is σ = 769584124416. Its totient is φ = 185736297600.

The previous prime is 384323538091. The next prime is 384323538149. The reversal of 384323538128 is 821835323483.

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, 64676 + ... + 879107.

Almost surely, 2^384323538128 is an apocalyptic number.

It is an amenable number.

384323538128 is an abundant number, since it is smaller than the sum of its proper divisors (385260586288).

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

384323538128 is a wasteful number, since it uses less digits than its factorization.

384323538128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944643 (or 944637 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 50.

The spelling of 384323538128 in words is "three hundred eighty-four billion, three hundred twenty-three million, five hundred thirty-eight thousand, one hundred twenty-eight".