26880816 has 20 divisors (see below), whose sum is σ = 69442232. Its totient is φ = 8960256.

The previous prime is 26880811. The next prime is 26880827. The reversal of 26880816 is 61808862.

It is not an unprimeable number, because it can be changed into a prime (26880811) 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, 279961 + ... + 280056.

Almost surely, 2^26880816 is an apocalyptic number.

It is an amenable number.

26880816 is an abundant number, since it is smaller than the sum of its proper divisors (42561416).

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

26880816 is a wasteful number, since it uses less digits than its factorization.

26880816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560028 (or 560022 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 26880816 is about 5184.6712528375. The cubic root of 26880816 is about 299.5579266683.

The spelling of 26880816 in words is "twenty-six million, eight hundred eighty thousand, eight hundred sixteen".