26468240 has 20 divisors (see below), whose sum is σ = 61538844. Its totient is φ = 10587264.

The previous prime is 26468237. The next prime is 26468243. The reversal of 26468240 is 4286462.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (26468237) and next prime (26468243).

It can be written as a sum of positive squares in 2 ways, for example, as 4528384 + 21939856 = 2128^2 + 4684^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 26468197 and 26468206.

It is not an unprimeable number, because it can be changed into a prime (26468243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165347 + ... + 165506.

Almost surely, 2^26468240 is an apocalyptic number.

26468240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26468240 is an abundant number, since it is smaller than the sum of its proper divisors (35070604).

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

26468240 is a wasteful number, since it uses less digits than its factorization.

26468240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330866 (or 330860 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 26468240 is about 5144.7293417633. The cubic root of 26468240 is about 298.0174456402.

The spelling of 26468240 in words is "twenty-six million, four hundred sixty-eight thousand, two hundred forty".