256613027043270 has 64 divisors (see below), whose sum is σ = 619097889070080. Its totient is φ = 68071667509248.

The previous prime is 256613027043203. The next prime is 256613027043343. The reversal of 256613027043270 is 72340720316652.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100170097 + ... + 102699923.

It is an arithmetic number, because the mean of its divisors is an integer number (9673404516720).

Almost surely, 2^{256613027043270} is an apocalyptic number.

256613027043270 is an abundant number, since it is smaller than the sum of its proper divisors (362484862026810).

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

256613027043270 is a wasteful number, since it uses less digits than its factorization.

256613027043270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2547549.

The product of its (nonzero) digits is 2540160, while the sum is 48.

The spelling of 256613027043270 in words is "two hundred fifty-six trillion, six hundred thirteen billion, twenty-seven million, forty-three thousand, two hundred seventy".