256260530343 has 8 divisors (see below), whose sum is σ = 342365440000. Its totient is φ = 170497987128.

The previous prime is 256260530329. The next prime is 256260530363. The reversal of 256260530343 is 343035062652.

256260530343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 256260530343 - 2¹³ = 256260522151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256260530303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85589863 + ... + 85592856.

It is an arithmetic number, because the mean of its divisors is an integer number (42795680000).

Almost surely, 2^256260530343 is an apocalyptic number.

256260530343 is a deficient number, since it is larger than the sum of its proper divisors (86104909657).

256260530343 is a wasteful number, since it uses less digits than its factorization.

256260530343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171183221.

The product of its (nonzero) digits is 388800, while the sum is 39.

Adding to 256260530343 its reverse (343035062652), we get a palindrome (599295592995).

The spelling of 256260530343 in words is "two hundred fifty-six billion, two hundred sixty million, five hundred thirty thousand, three hundred forty-three".