256448454112801 has 8 divisors (see below), whose sum is σ = 262486520540640. Its totient is φ = 250413758089152.

The previous prime is 256448454112793. The next prime is 256448454112901. The reversal of 256448454112801 is 108211454844652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 256448454112801 - 2³ = 256448454112793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (256448454112901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 842447080 + ... + 842751433.

It is an arithmetic number, because the mean of its divisors is an integer number (32810815067580).

Almost surely, 2^{256448454112801} is an apocalyptic number.

It is an amenable number.

256448454112801 is a deficient number, since it is larger than the sum of its proper divisors (6038066427839).

256448454112801 is a wasteful number, since it uses less digits than its factorization.

256448454112801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685202095.

The product of its (nonzero) digits is 9830400, while the sum is 55.

The spelling of 256448454112801 in words is "two hundred fifty-six trillion, four hundred forty-eight billion, four hundred fifty-four million, one hundred twelve thousand, eight hundred one".