384258345256 has 16 divisors (see below), whose sum is σ = 720497489940. Its totient is φ = 192125681280.

The previous prime is 384258345187. The next prime is 384258345269. The reversal of 384258345256 is 652543852483.

It can be written as a sum of positive squares in 2 ways, for example, as 380948184100 + 3310161156 = 617210^2 + 57534^2 .

It is a junction number, because it is equal to n+sod(n) for n = 384258345197 and 384258345206.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65260 + ... + 879076.

Almost surely, 2^384258345256 is an apocalyptic number.

It is an amenable number.

384258345256 is a deficient number, since it is larger than the sum of its proper divisors (336239144684).

384258345256 is a wasteful number, since it uses less digits than its factorization.

384258345256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872844 (or 872840 counting only the distinct ones).

The product of its digits is 27648000, while the sum is 55.

The spelling of 384258345256 in words is "three hundred eighty-four billion, two hundred fifty-eight million, three hundred forty-five thousand, two hundred fifty-six".