260026305 has 192 divisors, whose sum is σ = 594155520. Its totient is φ = 94003200.

The previous prime is 260026303. The next prime is 260026309. The reversal of 260026305 is 503620062.

It is not a de Polignac number, because 260026305 - 2¹ = 260026303 is a prime.

It is a super-2 number, since 2×260026305² = 135227358583906050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260026303) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 6342085 + ... + 6342125.

It is an arithmetic number, because the mean of its divisors is an integer number (3094560).

Almost surely, 2^260026305 is an apocalyptic number.

It is an amenable number.

260026305 is an abundant number, since it is smaller than the sum of its proper divisors (334129215).

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

260026305 is a wasteful number, since it uses less digits than its factorization.

260026305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 260026305 is about 16125.3311593902. The cubic root of 260026305 is about 638.2719537467.

Adding to 260026305 its reverse (503620062), we get a palindrome (763646367).

The spelling of 260026305 in words is "two hundred sixty million, twenty-six thousand, three hundred five".