26342340481 has 4 divisors (see below), whose sum is σ = 26342806464. Its totient is φ = 26341874500.

The previous prime is 26342340433. The next prime is 26342340491. The reversal of 26342340481 is 18404324362.

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 26342340481 - 2¹¹ = 26342338433 is a prime.

It is a super-2 number, since 2×26342340481² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26342340481.

It is not an unprimeable number, because it can be changed into a prime (26342340491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134245 + ... + 265906.

It is an arithmetic number, because the mean of its divisors is an integer number (6585701616).

Almost surely, 2^26342340481 is an apocalyptic number.

It is an amenable number.

26342340481 is a deficient number, since it is larger than the sum of its proper divisors (465983).

26342340481 is an equidigital number, since it uses as much as digits as its factorization.

26342340481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465982.

The product of its (nonzero) digits is 110592, while the sum is 37.

The spelling of 26342340481 in words is "twenty-six billion, three hundred forty-two million, three hundred forty thousand, four hundred eighty-one".