260315620 has 12 divisors (see below), whose sum is σ = 546662844. Its totient is φ = 104126240.

The previous prime is 260315597. The next prime is 260315641. The reversal of 260315620 is 26513062.

It can be written as a sum of positive squares in 2 ways, for example, as 66716224 + 193599396 = 8168^2 + 13914^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6507871 + ... + 6507910.

It is an arithmetic number, because the mean of its divisors is an integer number (45555237).

Almost surely, 2^260315620 is an apocalyptic number.

260315620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260315620 is an abundant number, since it is smaller than the sum of its proper divisors (286347224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

260315620 is a wasteful number, since it uses less digits than its factorization.

260315620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13015790 (or 13015788 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 260315620 is about 16134.2994889769. The cubic root of 260315620 is about 638.5085877615.

Adding to 260315620 its reverse (26513062), we get a palindrome (286828682).

The spelling of 260315620 in words is "two hundred sixty million, three hundred fifteen thousand, six hundred twenty".