256733334203612 has 48 divisors (see below), whose sum is σ = 538653717342720. Its totient is φ = 104738222769600.

The previous prime is 256733334203597. The next prime is 256733334203701. The reversal of 256733334203612 is 216302433337652.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2226520214 + ... + 2226635517.

It is an arithmetic number, because the mean of its divisors is an integer number (11221952444640).

Almost surely, 2^{256733334203612} is an apocalyptic number.

It is an amenable number.

256733334203612 is an abundant number, since it is smaller than the sum of its proper divisors (281920383139108).

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

256733334203612 is a wasteful number, since it uses less digits than its factorization.

256733334203612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4453155842 (or 4453155840 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 50.

The spelling of 256733334203612 in words is "two hundred fifty-six trillion, seven hundred thirty-three billion, three hundred thirty-four million, two hundred three thousand, six hundred twelve".