26444081 has 2 divisors, whose sum is σ = 26444082. Its totient is φ = 26444080.

The previous prime is 26444051. The next prime is 26444107. The reversal of 26444081 is 18044462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22278400 + 4165681 = 4720^2 + 2041^2 .

It is a cyclic number.

It is not a de Polignac number, because 26444081 - 2⁶ = 26444017 is a prime.

It is a super-2 number, since 2×26444081² = 1398578839869122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (26444051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13222040 + 13222041.

It is an arithmetic number, because the mean of its divisors is an integer number (13222041).

Almost surely, 2^26444081 is an apocalyptic number.

It is an amenable number.

26444081 is a deficient number, since it is larger than the sum of its proper divisors (1).

26444081 is an equidigital number, since it uses as much as digits as its factorization.

26444081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 26444081 is about 5142.3808688194. The cubic root of 26444081 is about 297.9267458036.

The spelling of 26444081 in words is "twenty-six million, four hundred forty-four thousand, eighty-one".