26265870 has 64 divisors (see below), whose sum is σ = 70966080. Its totient is φ = 6998400.

The previous prime is 26265829. The next prime is 26265887. The reversal of 26265870 is 7856262.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21270 + ... + 22470.

It is an arithmetic number, because the mean of its divisors is an integer number (1108845).

Almost surely, 2^26265870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26265870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35483040).

26265870 is an abundant number, since it is smaller than the sum of its proper divisors (44700210).

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

26265870 is an equidigital number, since it uses as much as digits as its factorization.

26265870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229 (or 1211 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 26265870 is about 5125.0239023833. The cubic root of 26265870 is about 297.2559776623.

The spelling of 26265870 in words is "twenty-six million, two hundred sixty-five thousand, eight hundred seventy".