26040331 has 4 divisors (see below), whose sum is σ = 26531712. Its totient is φ = 25548952.

The previous prime is 26040323. The next prime is 26040349. The reversal of 26040331 is 13304062.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13304062 = 2 ⋅6652031.

It is a cyclic number.

It is not a de Polignac number, because 26040331 - 2³ = 26040323 is a prime.

It is a super-2 number, since 2×26040331² = 1356197677179122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26040299 and 26040308.

It is not an unprimeable number, because it can be changed into a prime (26040361) 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, 245611 + ... + 245716.

It is an arithmetic number, because the mean of its divisors is an integer number (6632928).

Almost surely, 2^26040331 is an apocalyptic number.

26040331 is a deficient number, since it is larger than the sum of its proper divisors (491381).

26040331 is an equidigital number, since it uses as much as digits as its factorization.

26040331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491380.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 26040331 is about 5102.9727610482. The cubic root of 26040331 is about 296.4027077421.

Adding to 26040331 its reverse (13304062), we get a palindrome (39344393).

The spelling of 26040331 in words is "twenty-six million, forty thousand, three hundred thirty-one".