384106842242 has 18 divisors (see below), whose sum is σ = 582055446249. Its totient is φ = 190108078200.

The previous prime is 384106842239. The next prime is 384106842277. The reversal of 384106842242 is 242248601483.

It can be written as a sum of positive squares in 2 ways, for example, as 266608028281 + 117498813961 = 516341^2 + 342781^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=438239.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 384106842193 and 384106842202.

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 8 ways as a sum of consecutive naturals, for example, 88522109 + ... + 88526447.

Almost surely, 2^384106842242 is an apocalyptic number.

384106842242 is a deficient number, since it is larger than the sum of its proper divisors (197948604007).

384106842242 is an frugal number, since it uses more digits than its factorization.

384106842242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8882 (or 4442 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 44.

The spelling of 384106842242 in words is "three hundred eighty-four billion, one hundred six million, eight hundred forty-two thousand, two hundred forty-two".