256727727652 has 24 divisors (see below), whose sum is σ = 490184976960. Its totient is φ = 116678134560.

The previous prime is 256727727649. The next prime is 256727727667.

256727727652 is nontrivially palindromic in base 10.

256727727652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×256727727652² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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, 85488 + ... + 721639.

It is an arithmetic number, because the mean of its divisors is an integer number (20424374040).

Almost surely, 2^256727727652 is an apocalyptic number.

256727727652 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

256727727652 is a deficient number, since it is larger than the sum of its proper divisors (233457249308).

256727727652 is a wasteful number, since it uses less digits than its factorization.

256727727652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814371 (or 814369 counting only the distinct ones).

The product of its digits is 34574400, while the sum is 58.

The spelling of 256727727652 in words is "two hundred fifty-six billion, seven hundred twenty-seven million, seven hundred twenty-seven thousand, six hundred fifty-two".