326345256256 has 14 divisors (see below), whose sum is σ = 647591368010. Its totient is φ = 163172628096.

The previous prime is 326345256253. The next prime is 326345256287. The reversal of 326345256256 is 652652543623.

It can be written as a sum of positive squares in only one way, i.e., 179030534400 + 147314721856 = 423120^2 + 383816^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326345256253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2549572251 + ... + 2549572378.

Almost surely, 2^326345256256 is an apocalyptic number.

It is an amenable number.

326345256256 is a deficient number, since it is larger than the sum of its proper divisors (321246111754).

326345256256 is an equidigital number, since it uses as much as digits as its factorization.

326345256256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5099144641 (or 5099144631 counting only the distinct ones).

The product of its digits is 7776000, while the sum is 49.

Adding to 326345256256 its reverse (652652543623), we get a palindrome (978997799879).

The spelling of 326345256256 in words is "three hundred twenty-six billion, three hundred forty-five million, two hundred fifty-six thousand, two hundred fifty-six".