26868816 has 120 divisors (see below), whose sum is σ = 83772416. Its totient is φ = 7983360.

The previous prime is 26868811. The next prime is 26868841. The reversal of 26868816 is 61886862.

It is a nude number because it is divisible by every one of its digits.

Its product of digits (221184) is a multiple of the sum of its prime divisors (512).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26868811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57801 + ... + 58263.

Almost surely, 2^26868816 is an apocalyptic number.

26868816 is a gapful number since it is divisible by the number (26) 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 26868816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41886208).

26868816 is an abundant number, since it is smaller than the sum of its proper divisors (56903600).

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

26868816 is a wasteful number, since it uses less digits than its factorization.

26868816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521 (or 512 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 26868816 is about 5183.5138660951. The cubic root of 26868816 is about 299.5133443144.

The spelling of 26868816 in words is "twenty-six million, eight hundred sixty-eight thousand, eight hundred sixteen".