256044480267 has 4 divisors (see below), whose sum is σ = 341392640360. Its totient is φ = 170696320176.

The previous prime is 256044480259. The next prime is 256044480299. The reversal of 256044480267 is 762084440652.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 256044480267 - 2³ = 256044480259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (256044481267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42674080042 + ... + 42674080047.

It is an arithmetic number, because the mean of its divisors is an integer number (85348160090).

Almost surely, 2^256044480267 is an apocalyptic number.

256044480267 is a deficient number, since it is larger than the sum of its proper divisors (85348160093).

256044480267 is an equidigital number, since it uses as much as digits as its factorization.

256044480267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85348160092.

The product of its (nonzero) digits is 2580480, while the sum is 48.

The spelling of 256044480267 in words is "two hundred fifty-six billion, forty-four million, four hundred eighty thousand, two hundred sixty-seven".