26242056436421 has 32 divisors (see below), whose sum is σ = 32215591279872. Its totient is φ = 20864875069440.

The previous prime is 26242056436417. The next prime is 26242056436451. The reversal of 26242056436421 is 12463465024262.

It is not a de Polignac number, because 26242056436421 - 2² = 26242056436417 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26242056436451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1934771 + ... + 7498496.

It is an arithmetic number, because the mean of its divisors is an integer number (1006737227496).

Almost surely, 2^{26242056436421} is an apocalyptic number.

It is an amenable number.

26242056436421 is a deficient number, since it is larger than the sum of its proper divisors (5973534843451).

26242056436421 is a wasteful number, since it uses less digits than its factorization.

26242056436421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9433629.

The product of its (nonzero) digits is 3317760, while the sum is 47.

The spelling of 26242056436421 in words is "twenty-six trillion, two hundred forty-two billion, fifty-six million, four hundred thirty-six thousand, four hundred twenty-one".