26260520 has 64 divisors (see below), whose sum is σ = 69431040. Its totient is φ = 8812800.

The previous prime is 26260513. The next prime is 26260523. The reversal of 26260520 is 2506262.

It is a happy number.

It is a super-2 number, since 2×26260520² = 1379229821340800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26260523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3425 + ... + 8015.

It is an arithmetic number, because the mean of its divisors is an integer number (1084860).

Almost surely, 2^26260520 is an apocalyptic number.

26260520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26260520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34715520).

26260520 is an abundant number, since it is smaller than the sum of its proper divisors (43170520).

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

26260520 is a wasteful number, since it uses less digits than its factorization.

26260520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4626 (or 4622 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 26260520 is about 5124.5019270169. The cubic root of 26260520 is about 297.2357939604.

Adding to 26260520 its reverse (2506262), we get a palindrome (28766782).

The spelling of 26260520 in words is "twenty-six million, two hundred sixty thousand, five hundred twenty".