26040029 has 2 divisors, whose sum is σ = 26040030. Its totient is φ = 26040028.

The previous prime is 26040017. The next prime is 26040037. The reversal of 26040029 is 92004062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19123129 + 6916900 = 4373^2 + 2630^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26040029 is a prime.

It is a super-2 number, since 2×26040029² = 1356166220641682, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 26039986 and 26040013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26040529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13020014 + 13020015.

It is an arithmetic number, because the mean of its divisors is an integer number (13020015).

Almost surely, 2^26040029 is an apocalyptic number.

It is an amenable number.

26040029 is a deficient number, since it is larger than the sum of its proper divisors (1).

26040029 is an equidigital number, since it uses as much as digits as its factorization.

26040029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 26040029 is about 5102.9431703675. The cubic root of 26040029 is about 296.4015619046.

The spelling of 26040029 in words is "twenty-six million, forty thousand, twenty-nine".