26881449 has 12 divisors (see below), whose sum is σ = 41693904. Its totient is φ = 15360744.

The previous prime is 26881417. The next prime is 26881469. The reversal of 26881449 is 94418862.

It is not a de Polignac number, because 26881449 - 2⁵ = 26881417 is a prime.

It is a super-2 number, since 2×26881449² = 1445224600679202, which contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 26881449.

It is not an unprimeable number, because it can be changed into a prime (26881469) 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 11 ways as a sum of consecutive naturals, for example, 91287 + ... + 91580.

It is an arithmetic number, because the mean of its divisors is an integer number (3474492).

Almost surely, 2^26881449 is an apocalyptic number.

It is an amenable number.

26881449 is a deficient number, since it is larger than the sum of its proper divisors (14812455).

26881449 is a wasteful number, since it uses less digits than its factorization.

26881449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182884 (or 182877 counting only the distinct ones).

The product of its digits is 110592, while the sum is 42.

The square root of 26881449 is about 5184.7322978144. The cubic root of 26881449 is about 299.5602780191.

The spelling of 26881449 in words is "twenty-six million, eight hundred eighty-one thousand, four hundred forty-nine".