26816454 has 64 divisors (see below), whose sum is σ = 69281280. Its totient is φ = 7529760.

The previous prime is 26816443. The next prime is 26816473. The reversal of 26816454 is 45461862.

26816454 is a `hidden beast` number, since 2 + 6 + 8 + 1 + 645 + 4 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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, 22477 + ... + 23639.

It is an arithmetic number, because the mean of its divisors is an integer number (1082520).

Almost surely, 2^26816454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26816454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34640640).

26816454 is an abundant number, since it is smaller than the sum of its proper divisors (42464826).

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

26816454 is a wasteful number, since it uses less digits than its factorization.

26816454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242 (or 1236 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 26816454 is about 5178.4605820649. The cubic root of 26816454 is about 299.3186537290.

The spelling of 26816454 in words is "twenty-six million, eight hundred sixteen thousand, four hundred fifty-four".