26426401 has 4 divisors (see below), whose sum is σ = 26683072. Its totient is φ = 26169732.

The previous prime is 26426377. The next prime is 26426417. The reversal of 26426401 is 10462462.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 26426401 - 2¹¹ = 26424353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26426431) 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, 128181 + ... + 128386.

It is an arithmetic number, because the mean of its divisors is an integer number (6670768).

Almost surely, 2^26426401 is an apocalyptic number.

It is an amenable number.

26426401 is a deficient number, since it is larger than the sum of its proper divisors (256671).

26426401 is a wasteful number, since it uses less digits than its factorization.

26426401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256670.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 26426401 is about 5140.6615333048. The cubic root of 26426401 is about 297.8603349852.

Adding to 26426401 its reverse (10462462), we get a palindrome (36888863).

The spelling of 26426401 in words is "twenty-six million, four hundred twenty-six thousand, four hundred one".