26808042 has 8 divisors (see below), whose sum is σ = 53616096. Its totient is φ = 8936012.

The previous prime is 26808037. The next prime is 26808043. The reversal of 26808042 is 24080862.

It is a happy number.

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

26808042 is an admirable number.

It is a super-2 number, since 2×26808042² = 1437342231747528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26808043) 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 3 ways as a sum of consecutive naturals, for example, 2233998 + ... + 2234009.

It is an arithmetic number, because the mean of its divisors is an integer number (6702012).

Almost surely, 2^26808042 is an apocalyptic number.

26808042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

26808042 is a wasteful number, since it uses less digits than its factorization.

26808042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4468012.

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 26808042 is about 5177.6483078711. The cubic root of 26808042 is about 299.2873528986.

The spelling of 26808042 in words is "twenty-six million, eight hundred eight thousand, forty-two".