256041212 has 24 divisors (see below), whose sum is σ = 518568960. Its totient is φ = 108342000.

The previous prime is 256041209. The next prime is 256041223. The reversal of 256041212 is 212140652.

It is a happy number.

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, 55664 + ... + 60087.

It is an arithmetic number, because the mean of its divisors is an integer number (21607040).

Almost surely, 2^256041212 is an apocalyptic number.

It is an amenable number.

256041212 is an abundant number, since it is smaller than the sum of its proper divisors (262527748).

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

256041212 is a wasteful number, since it uses less digits than its factorization.

256041212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115841 (or 115839 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 256041212 is about 16001.2878231722. The cubic root of 256041212 is about 634.9944918612.

Adding to 256041212 its reverse (212140652), we get a palindrome (468181864).

The spelling of 256041212 in words is "two hundred fifty-six million, forty-one thousand, two hundred twelve".