256141326 has 24 divisors (see below), whose sum is σ = 595921320. Its totient is φ = 73183152.

The previous prime is 256141289. The next prime is 256141331. The reversal of 256141326 is 623141652.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 256141293 and 256141302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 435321 + ... + 435908.

It is an arithmetic number, because the mean of its divisors is an integer number (24830055).

Almost surely, 2^256141326 is an apocalyptic number.

256141326 is an abundant number, since it is smaller than the sum of its proper divisors (339779994).

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

256141326 is a wasteful number, since it uses less digits than its factorization.

256141326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871248 (or 871241 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 256141326 is about 16004.4158281394. The cubic root of 256141326 is about 635.0772435846.

Adding to 256141326 its reverse (623141652), we get a palindrome (879282978).

The spelling of 256141326 in words is "two hundred fifty-six million, one hundred forty-one thousand, three hundred twenty-six".