260342405 has 8 divisors (see below), whose sum is σ = 325994112. Its totient is φ = 199218448.

The previous prime is 260342399. The next prime is 260342429. The reversal of 260342405 is 504243062.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 260342405 - 2¹⁶ = 260276869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1131809 + ... + 1132038.

It is an arithmetic number, because the mean of its divisors is an integer number (40749264).

Almost surely, 2^260342405 is an apocalyptic number.

It is an amenable number.

260342405 is a deficient number, since it is larger than the sum of its proper divisors (65651707).

260342405 is a wasteful number, since it uses less digits than its factorization.

260342405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2263875.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 260342405 is about 16135.1295315532. The cubic root of 260342405 is about 638.5304866471.

Adding to 260342405 its reverse (504243062), we get a palindrome (764585467).

The spelling of 260342405 in words is "two hundred sixty million, three hundred forty-two thousand, four hundred five".