256011354326 has 16 divisors (see below), whose sum is σ = 472636346784. Its totient is φ = 101279217024.

The previous prime is 256011354307. The next prime is 256011354349. The reversal of 256011354326 is 623453110652.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 256011354326.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 703327715 + ... + 703328078.

It is an arithmetic number, because the mean of its divisors is an integer number (29539771674).

Almost surely, 2^256011354326 is an apocalyptic number.

256011354326 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

256011354326 is a deficient number, since it is larger than the sum of its proper divisors (216624992458).

256011354326 is a wasteful number, since it uses less digits than its factorization.

256011354326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1406655815.

The product of its (nonzero) digits is 129600, while the sum is 38.

Adding to 256011354326 its reverse (623453110652), we get a palindrome (879464464978).

The spelling of 256011354326 in words is "two hundred fifty-six billion, eleven million, three hundred fifty-four thousand, three hundred twenty-six".