260404636045 has 4 divisors (see below), whose sum is σ = 312485563260. Its totient is φ = 208323708832.

The previous prime is 260404636013. The next prime is 260404636057. The reversal of 260404636045 is 540636404062.

260404636045 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 can be written as a sum of positive squares in 2 ways, for example, as 40261626409 + 220143009636 = 200653^2 + 469194^2 .

It is a cyclic number.

It is not a de Polignac number, because 260404636045 - 2⁵ = 260404636013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 260404635989 and 260404636007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26040463600 + ... + 26040463609.

It is an arithmetic number, because the mean of its divisors is an integer number (78121390815).

Almost surely, 2^260404636045 is an apocalyptic number.

It is an amenable number.

260404636045 is a deficient number, since it is larger than the sum of its proper divisors (52080927215).

260404636045 is an equidigital number, since it uses as much as digits as its factorization.

260404636045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52080927214.

The product of its (nonzero) digits is 414720, while the sum is 40.

The spelling of 260404636045 in words is "two hundred sixty billion, four hundred four million, six hundred thirty-six thousand, forty-five".