26440668 has 60 divisors (see below), whose sum is σ = 70063840. Its totient is φ = 8693568.

The previous prime is 26440651. The next prime is 26440717. The reversal of 26440668 is 86604462.

It is a happy number.

26440668 is a `hidden beast` number, since 2 + 644 + 0 + 6 + 6 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 25080 + ... + 26112.

Almost surely, 2^26440668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26440668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35031920).

26440668 is an abundant number, since it is smaller than the sum of its proper divisors (43623172).

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

26440668 is a wasteful number, since it uses less digits than its factorization.

26440668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128 (or 1117 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 26440668 is about 5142.0490079345. The cubic root of 26440668 is about 297.9139279670.

The spelling of 26440668 in words is "twenty-six million, four hundred forty thousand, six hundred sixty-eight".