26604036423 has 24 divisors (see below), whose sum is σ = 40708547568. Its totient is φ = 16684515072.

The previous prime is 26604036421. The next prime is 26604036479. The reversal of 26604036423 is 32463040662.

26604036423 is a `hidden beast` number, since 2 + 6 + 6 + 0 + 4 + 0 + 3 + 642 + 3 = 666.

It is not a de Polignac number, because 26604036423 - 2¹ = 26604036421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26604036421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 276961 + ... + 360437.

It is an arithmetic number, because the mean of its divisors is an integer number (1696189482).

Almost surely, 2^26604036423 is an apocalyptic number.

26604036423 is a deficient number, since it is larger than the sum of its proper divisors (14104511145).

26604036423 is a wasteful number, since it uses less digits than its factorization.

26604036423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85583 (or 85580 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 36.

The spelling of 26604036423 in words is "twenty-six billion, six hundred four million, thirty-six thousand, four hundred twenty-three".