260026005 has 16 divisors (see below), whose sum is σ = 418201920. Its totient is φ = 137960448.

The previous prime is 260025989. The next prime is 260026021. The reversal of 260026005 is 500620062.

It is an interprime number because it is at equal distance from previous prime (260025989) and next prime (260026021).

It is not a de Polignac number, because 260026005 - 2⁴ = 260025989 is a prime.

It is a super-2 number, since 2×260026005² = 135227046552520050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42015 + ... + 47804.

It is an arithmetic number, because the mean of its divisors is an integer number (26137620).

Almost surely, 2^260026005 is an apocalyptic number.

It is an amenable number.

260026005 is a deficient number, since it is larger than the sum of its proper divisors (158175915).

260026005 is a wasteful number, since it uses less digits than its factorization.

260026005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90020.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 260026005 is about 16125.3218572530. The cubic root of 260026005 is about 638.2717082823.

Adding to 260026005 its reverse (500620062), we get a palindrome (760646067).

The spelling of 260026005 in words is "two hundred sixty million, twenty-six thousand, five".