260865678265456 has 80 divisors (see below), whose sum is σ = 597385972136448. Its totient is φ = 109004934528000.

The previous prime is 260865678265393. The next prime is 260865678265459. The reversal of 260865678265456 is 654562876568062.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260865678265459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1013682120 + ... + 1013939431.

Almost surely, 2^{260865678265456} is an apocalyptic number.

It is an amenable number.

260865678265456 is an abundant number, since it is smaller than the sum of its proper divisors (336520293870992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

260865678265456 is a wasteful number, since it uses less digits than its factorization.

260865678265456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2027621630 (or 2027621624 counting only the distinct ones).

The product of its (nonzero) digits is 6967296000, while the sum is 76.

The spelling of 260865678265456 in words is "two hundred sixty trillion, eight hundred sixty-five billion, six hundred seventy-eight million, two hundred sixty-five thousand, four hundred fifty-six".