256026033236 has 24 divisors (see below), whose sum is σ = 459028737384. Its totient is φ = 124875717120.

The previous prime is 256026033227. The next prime is 256026033253. The reversal of 256026033236 is 632330620652.

It can be written as a sum of positive squares in 4 ways, for example, as 114419827600 + 141606205636 = 338260^2 + 376306^2 .

It is a super-2 number, since 2×256026033236² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 256026033236.

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, 1339346 + ... + 1518518.

It is an arithmetic number, because the mean of its divisors is an integer number (19126197391).

Almost surely, 2^256026033236 is an apocalyptic number.

It is an amenable number.

256026033236 is a deficient number, since it is larger than the sum of its proper divisors (203002704148).

256026033236 is a wasteful number, since it uses less digits than its factorization.

256026033236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187931 (or 187929 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 38.

Adding to 256026033236 its reverse (632330620652), we get a palindrome (888356653888).

The spelling of 256026033236 in words is "two hundred fifty-six billion, twenty-six million, thirty-three thousand, two hundred thirty-six".