26266412407 has 4 divisors (see below), whose sum is σ = 26598898720. Its totient is φ = 25933926096.

The previous prime is 26266412371. The next prime is 26266412453. The reversal of 26266412407 is 70421466262.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26266412407 is a prime.

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 26266412407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26266412467) 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, 166243038 + ... + 166243195.

It is an arithmetic number, because the mean of its divisors is an integer number (6649724680).

Almost surely, 2^26266412407 is an apocalyptic number.

26266412407 is a deficient number, since it is larger than the sum of its proper divisors (332486313).

26266412407 is an equidigital number, since it uses as much as digits as its factorization.

26266412407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332486312.

The product of its (nonzero) digits is 193536, while the sum is 40.

Adding to 26266412407 its reverse (70421466262), we get a palindrome (96687878669).

The spelling of 26266412407 in words is "twenty-six billion, two hundred sixty-six million, four hundred twelve thousand, four hundred seven".