260040313 has 24 divisors (see below), whose sum is σ = 304152408. Its totient is φ = 220167168.

The previous prime is 260040311. The next prime is 260040337. The reversal of 260040313 is 313040062.

It can be written as a sum of positive squares in 12 ways, for example, as 123921424 + 136118889 = 11132^2 + 11667^2 .

It is not a de Polignac number, because 260040313 - 2¹ = 260040311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260040311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1745163 + ... + 1745311.

It is an arithmetic number, because the mean of its divisors is an integer number (12673017).

Almost surely, 2^260040313 is an apocalyptic number.

It is an amenable number.

260040313 is a deficient number, since it is larger than the sum of its proper divisors (44112095).

260040313 is a wasteful number, since it uses less digits than its factorization.

260040313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 260040313 is about 16125.7655012095. The cubic root of 260040313 is about 638.2834150910.

Adding to 260040313 its reverse (313040062), we get a palindrome (573080375).

The spelling of 260040313 in words is "two hundred sixty million, forty thousand, three hundred thirteen".