256260530342 has 8 divisors (see below), whose sum is σ = 388122745296. Its totient is φ = 126886281912.

The previous prime is 256260530329. The next prime is 256260530363. The reversal of 256260530342 is 243035062652.

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

It is a super-2 number, since 2×256260530342² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 256260530296 and 256260530305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 621991373 + ... + 621991784.

It is an arithmetic number, because the mean of its divisors is an integer number (48515343162).

Almost surely, 2^256260530342 is an apocalyptic number.

256260530342 is a deficient number, since it is larger than the sum of its proper divisors (131862214954).

256260530342 is a wasteful number, since it uses less digits than its factorization.

256260530342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243983262.

The product of its (nonzero) digits is 259200, while the sum is 38.

Adding to 256260530342 its reverse (243035062652), we get a palindrome (499295592994).

The spelling of 256260530342 in words is "two hundred fifty-six billion, two hundred sixty million, five hundred thirty thousand, three hundred forty-two".