26540000 has 60 divisors (see below), whose sum is σ = 65341584. Its totient is φ = 10608000.

The previous prime is 26539993. The next prime is 26540011. The reversal of 26540000 is 4562.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 19337 + ... + 20663.

Almost surely, 2^26540000 is an apocalyptic number.

26540000 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 26540000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32670792).

26540000 is an abundant number, since it is smaller than the sum of its proper divisors (38801584).

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

26540000 is an equidigital number, since it uses as much as digits as its factorization.

26540000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357 (or 1334 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 26540000 is about 5151.6987489565. The cubic root of 26540000 is about 298.2865283112.

Adding to 26540000 its reverse (4562), we get a palindrome (26544562).

The spelling of 26540000 in words is "twenty-six million, five hundred forty thousand".