26568240 has 80 divisors (see below), whose sum is σ = 85042176. Its totient is φ = 6854400.

The previous prime is 26568233. The next prime is 26568293. The reversal of 26568240 is 4286562.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5655 + ... + 9225.

Almost surely, 2^26568240 is an apocalyptic number.

26568240 is a gapful number since it is divisible by the number (20) 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 26568240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42521088).

26568240 is an abundant number, since it is smaller than the sum of its proper divisors (58473936).

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

26568240 is a wasteful number, since it uses less digits than its factorization.

26568240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3618 (or 3612 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 26568240 is about 5154.4388637368. The cubic root of 26568240 is about 298.3922884920.

The spelling of 26568240 in words is "twenty-six million, five hundred sixty-eight thousand, two hundred forty".