26405354023 has 6 divisors (see below), whose sum is σ = 28049978456. Its totient is φ = 24852097632.

The previous prime is 26405353993. The next prime is 26405354039. The reversal of 26405354023 is 32045350462.

It is not a de Polignac number, because 26405354023 - 2⁵ = 26405353991 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 26405354023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26405354093) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45683715 + ... + 45684292.

Almost surely, 2^26405354023 is an apocalyptic number.

26405354023 is a deficient number, since it is larger than the sum of its proper divisors (1644624433).

26405354023 is an equidigital number, since it uses as much as digits as its factorization.

26405354023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91368041 (or 91368024 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 34.

The spelling of 26405354023 in words is "twenty-six billion, four hundred five million, three hundred fifty-four thousand, twenty-three".