26418 has 32 divisors (see below), whose sum is σ = 65664. Its totient is φ = 6912.

The previous prime is 26417. The next prime is 26423. The reversal of 26418 is 81462.

Added to its reverse (81462) it gives a triangular number (107880 = T₄₆₄).

26418 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 26394 and 26403.

It is not an unprimeable number, because it can be changed into a prime (26417) 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, 696 + ... + 732.

It is an arithmetic number, because the mean of its divisors is an integer number (2052).

2²⁶⁴¹⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32832).

26418 is an abundant number, since it is smaller than the sum of its proper divisors (39246).

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

26418 is a wasteful number, since it uses less digits than its factorization.

26418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66.

The product of its digits is 384, while the sum is 21.

The square root of 26418 is about 162.5361498252. The cubic root of 26418 is about 29.7828768196.

Adding to 26418 its reverse (81462), we get a triangular number (107880 = T₄₆₄).

It can be divided in two parts, 264 and 18, that added together give a palindrome (282).

The spelling of 26418 in words is "twenty-six thousand, four hundred eighteen".