256236324352 has 40 divisors (see below), whose sum is σ = 512998695000. Its totient is φ = 127861284864.

The previous prime is 256236324347. The next prime is 256236324353. The reversal of 256236324352 is 253423632652.

It is a junction number, because it is equal to n+sod(n) for n = 256236324299 and 256236324308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256236324353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245977 + ... + 756952.

It is an arithmetic number, because the mean of its divisors is an integer number (12824967375).

Almost surely, 2^256236324352 is an apocalyptic number.

It is an amenable number.

256236324352 is an abundant number, since it is smaller than the sum of its proper divisors (256762370648).

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

256236324352 is an equidigital number, since it uses as much as digits as its factorization.

256236324352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003446 (or 1003430 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 43.

The spelling of 256236324352 in words is "two hundred fifty-six billion, two hundred thirty-six million, three hundred twenty-four thousand, three hundred fifty-two".