26491043 has 16 divisors (see below), whose sum is σ = 28195776. Its totient is φ = 24860160.

The previous prime is 26491039. The next prime is 26491051. The reversal of 26491043 is 34019462.

It is a cyclic number.

It is not a de Polignac number, because 26491043 - 2² = 26491039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26490997 and 26491015.

It is not an unprimeable number, because it can be changed into a prime (26491013) 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 15 ways as a sum of consecutive naturals, for example, 158546 + ... + 158712.

It is an arithmetic number, because the mean of its divisors is an integer number (1762236).

Almost surely, 2^26491043 is an apocalyptic number.

26491043 is a deficient number, since it is larger than the sum of its proper divisors (1704733).

26491043 is a wasteful number, since it uses less digits than its factorization.

26491043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 26491043 is about 5146.9450162208. The cubic root of 26491043 is about 298.1030040453.

The spelling of 26491043 in words is "twenty-six million, four hundred ninety-one thousand, forty-three".