26808130 has 8 divisors (see below), whose sum is σ = 48254652. Its totient is φ = 10723248.

The previous prime is 26808083. The next prime is 26808139. The reversal of 26808130 is 3180862.

It can be written as a sum of positive squares in 2 ways, for example, as 21893041 + 4915089 = 4679^2 + 2217^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (26808139) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1340397 + ... + 1340416.

Almost surely, 2^26808130 is an apocalyptic number.

26808130 is a deficient number, since it is larger than the sum of its proper divisors (21446522).

26808130 is a wasteful number, since it uses less digits than its factorization.

26808130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2680820.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 26808130 is about 5177.6568059307. The cubic root of 26808130 is about 299.2876803782.

Adding to 26808130 its reverse (3180862), we get a palindrome (29988992).

The spelling of 26808130 in words is "twenty-six million, eight hundred eight thousand, one hundred thirty".