256782288206 has 16 divisors (see below), whose sum is σ = 406158310800. Its totient is φ = 121419937728.

The previous prime is 256782288179. The next prime is 256782288221. The reversal of 256782288206 is 602882287652.

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, 5916365 + ... + 5959608.

It is an arithmetic number, because the mean of its divisors is an integer number (25384894425).

Almost surely, 2^256782288206 is an apocalyptic number.

256782288206 is a deficient number, since it is larger than the sum of its proper divisors (149376022594).

256782288206 is a wasteful number, since it uses less digits than its factorization.

256782288206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11876563.

The product of its (nonzero) digits is 10321920, while the sum is 56.

The spelling of 256782288206 in words is "two hundred fifty-six billion, seven hundred eighty-two million, two hundred eighty-eight thousand, two hundred six".