26040555423 has 12 divisors (see below), whose sum is σ = 38911175160. Its totient is φ = 16761736656.

The previous prime is 26040555413. The next prime is 26040555503. The reversal of 26040555423 is 32455504062.

26040555423 is a `hidden beast` number, since 2 + 60 + 4 + 0 + 55 + 542 + 3 = 666.

It is not a de Polignac number, because 26040555423 - 2¹⁰ = 26040554399 is a prime.

It is a super-2 number, since 2×26040555423² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26040555413) 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 11 ways as a sum of consecutive naturals, for example, 49885861 + ... + 49886382.

It is an arithmetic number, because the mean of its divisors is an integer number (3242597930).

Almost surely, 2^26040555423 is an apocalyptic number.

26040555423 is a deficient number, since it is larger than the sum of its proper divisors (12870619737).

26040555423 is a wasteful number, since it uses less digits than its factorization.

26040555423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99772278 (or 99772275 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The spelling of 26040555423 in words is "twenty-six billion, forty million, five hundred fifty-five thousand, four hundred twenty-three".