26818345 has 16 divisors (see below), whose sum is σ = 34140672. Its totient is φ = 20180160.

The previous prime is 26818331. The next prime is 26818357. The reversal of 26818345 is 54381862.

It is a happy number.

It is not a de Polignac number, because 26818345 - 2⁵ = 26818313 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5104 + ... + 8926.

It is an arithmetic number, because the mean of its divisors is an integer number (2133792).

Almost surely, 2^26818345 is an apocalyptic number.

It is an amenable number.

26818345 is a deficient number, since it is larger than the sum of its proper divisors (7322327).

26818345 is a wasteful number, since it uses less digits than its factorization.

26818345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3912.

The product of its digits is 46080, while the sum is 37.

The square root of 26818345 is about 5178.6431620648. The cubic root of 26818345 is about 299.3256891890.

It can be divided in two parts, 2681 and 8345, that added together give a triangular number (11026 = T₁₄₈).

The spelling of 26818345 in words is "twenty-six million, eight hundred eighteen thousand, three hundred forty-five".