260440535 has 4 divisors (see below), whose sum is σ = 312528648. Its totient is φ = 208352424.

The previous prime is 260440513. The next prime is 260440541. The reversal of 260440535 is 535044062.

260440535 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 260440535 - 2²⁰ = 259391959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 260440498 and 260440507.

It is a congruent number.

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, 26044049 + ... + 26044058.

It is an arithmetic number, because the mean of its divisors is an integer number (78132162).

Almost surely, 2^260440535 is an apocalyptic number.

260440535 is a deficient number, since it is larger than the sum of its proper divisors (52088113).

260440535 is an equidigital number, since it uses as much as digits as its factorization.

260440535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52088112.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 260440535 is about 16138.1701255130. The cubic root of 260440535 is about 638.6107029628.

Adding to 260440535 its reverse (535044062), we get a palindrome (795484597).

The spelling of 260440535 in words is "two hundred sixty million, four hundred forty thousand, five hundred thirty-five".