256287760552270 has 32 divisors (see below), whose sum is σ = 463658047488000. Its totient is φ = 101995135441056.

The previous prime is 256287760552181. The next prime is 256287760552283. The reversal of 256287760552270 is 72255067782652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39250801 + ... + 45312259.

It is an arithmetic number, because the mean of its divisors is an integer number (14489313984000).

Almost surely, 2^{256287760552270} is an apocalyptic number.

256287760552270 is a deficient number, since it is larger than the sum of its proper divisors (207370286935730).

256287760552270 is a wasteful number, since it uses less digits than its factorization.

256287760552270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6082912.

The product of its (nonzero) digits is 197568000, while the sum is 64.

The spelling of 256287760552270 in words is "two hundred fifty-six trillion, two hundred eighty-seven billion, seven hundred sixty million, five hundred fifty-two thousand, two hundred seventy".