1268256905704 has 16 divisors (see below), whose sum is σ = 2399798045700. Its totient is φ = 628310760192.

The previous prime is 1268256905627. The next prime is 1268256905761. The reversal of 1268256905704 is 4075096528621.

It can be written as a sum of positive squares in 2 ways, for example, as 1202746503204 + 65510402500 = 1096698^2 + 255950^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 727210657 + ... + 727212400.

Almost surely, 2^{1268256905704} is an apocalyptic number.

It is an amenable number.

1268256905704 is a deficient number, since it is larger than the sum of its proper divisors (1131541139996).

1268256905704 is a wasteful number, since it uses less digits than its factorization.

1268256905704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454423172 (or 1454423168 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 55.

The spelling of 1268256905704 in words is "one trillion, two hundred sixty-eight billion, two hundred fifty-six million, nine hundred five thousand, seven hundred four".