260563226405 has 4 divisors (see below), whose sum is σ = 312675871692. Its totient is φ = 208450581120.

The previous prime is 260563226383. The next prime is 260563226461. The reversal of 260563226405 is 504622365062.

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 85854274081 + 174708952324 = 293009^2 + 417982^2 .

It is not a de Polignac number, because 260563226405 - 2¹⁸ = 260562964261 is a prime.

It is a Duffinian number.

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, 26056322636 + ... + 26056322645.

It is an arithmetic number, because the mean of its divisors is an integer number (78168967923).

Almost surely, 2^260563226405 is an apocalyptic number.

It is an amenable number.

260563226405 is a deficient number, since it is larger than the sum of its proper divisors (52112645287).

260563226405 is an equidigital number, since it uses as much as digits as its factorization.

260563226405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52112645286.

The product of its (nonzero) digits is 518400, while the sum is 41.

The spelling of 260563226405 in words is "two hundred sixty billion, five hundred sixty-three million, two hundred twenty-six thousand, four hundred five".