26401952423 has 16 divisors (see below), whose sum is σ = 33218718720. Its totient is φ = 20384200800.

The previous prime is 26401952407. The next prime is 26401952429. The reversal of 26401952423 is 32425910462.

It is a cyclic number.

It is not a de Polignac number, because 26401952423 - 2⁴ = 26401952407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26401952429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1564463 + ... + 1581248.

It is an arithmetic number, because the mean of its divisors is an integer number (2076169920).

Almost surely, 2^26401952423 is an apocalyptic number.

26401952423 is a deficient number, since it is larger than the sum of its proper divisors (6816766297).

26401952423 is a wasteful number, since it uses less digits than its factorization.

26401952423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3145838.

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 26401952423 in words is "twenty-six billion, four hundred one million, nine hundred fifty-two thousand, four hundred twenty-three".