256260041207 has 8 divisors (see below), whose sum is σ = 271339218000. Its totient is φ = 241181426304.

The previous prime is 256260041189. The next prime is 256260041221. The reversal of 256260041207 is 702140062652.

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 256260041207 - 2⁶ = 256260041143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256260041227) 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, 1123544 + ... + 1332242.

It is an arithmetic number, because the mean of its divisors is an integer number (33917402250).

Almost surely, 2^256260041207 is an apocalyptic number.

256260041207 is a deficient number, since it is larger than the sum of its proper divisors (15079176793).

256260041207 is a wasteful number, since it uses less digits than its factorization.

256260041207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280945.

The product of its (nonzero) digits is 40320, while the sum is 35.

The spelling of 256260041207 in words is "two hundred fifty-six billion, two hundred sixty million, forty-one thousand, two hundred seven".