26438324404653 has 48 divisors (see below), whose sum is σ = 44513509156480. Its totient is φ = 14809244815872.

The previous prime is 26438324404651. The next prime is 26438324404691. The reversal of 26438324404653 is 35640442383462.

26438324404653 is a `hidden beast` number, since 2 + 6 + 43 + 83 + 24 + 40 + 465 + 3 = 666.

It is not a de Polignac number, because 26438324404653 - 2¹ = 26438324404651 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 26438324404653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26438324404651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16884448 + ... + 18383721.

Almost surely, 2^{26438324404653} is an apocalyptic number.

It is an amenable number.

26438324404653 is a deficient number, since it is larger than the sum of its proper divisors (18075184751827).

26438324404653 is a wasteful number, since it uses less digits than its factorization.

26438324404653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35268418 (or 35268415 counting only the distinct ones).

The product of its (nonzero) digits is 39813120, while the sum is 54.

The spelling of 26438324404653 in words is "twenty-six trillion, four hundred thirty-eight billion, three hundred twenty-four million, four hundred four thousand, six hundred fifty-three".