260412405 has 16 divisors (see below), whose sum is σ = 454538304. Its totient is φ = 126260480.

The previous prime is 260412377. The next prime is 260412407. The reversal of 260412405 is 504214062.

It is not a de Polignac number, because 260412405 - 2⁷ = 260412277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260412407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 788964 + ... + 789293.

It is an arithmetic number, because the mean of its divisors is an integer number (28408644).

Almost surely, 2^260412405 is an apocalyptic number.

It is an amenable number.

260412405 is a deficient number, since it is larger than the sum of its proper divisors (194125899).

260412405 is a wasteful number, since it uses less digits than its factorization.

260412405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1578276.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 260412405 is about 16137.2985657451. The cubic root of 260412405 is about 638.5877101699.

Adding to 260412405 its reverse (504214062), we get a palindrome (764626467).

The spelling of 260412405 in words is "two hundred sixty million, four hundred twelve thousand, four hundred five".