260445064871 has 4 divisors (see below), whose sum is σ = 260988792000. Its totient is φ = 259901337744.

The previous prime is 260445064853. The next prime is 260445064877. The reversal of 260445064871 is 178460544062.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 178460544062 = 2 ⋅89230272031.

It is a cyclic number.

It is not a de Polignac number, because 260445064871 - 2³⁰ = 259371323047 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 (260445064877) 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, 271862846 + ... + 271863803.

It is an arithmetic number, because the mean of its divisors is an integer number (65247198000).

Almost surely, 2^260445064871 is an apocalyptic number.

260445064871 is a deficient number, since it is larger than the sum of its proper divisors (543727129).

260445064871 is an equidigital number, since it uses as much as digits as its factorization.

260445064871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543727128.

The product of its (nonzero) digits is 1290240, while the sum is 47.

The spelling of 260445064871 in words is "two hundred sixty billion, four hundred forty-five million, sixty-four thousand, eight hundred seventy-one".