26408471655 has 16 divisors (see below), whose sum is σ = 42848676864. Its totient is φ = 13886144160.

The previous prime is 26408471651. The next prime is 26408471681. The reversal of 26408471655 is 55617480462.

It is not a de Polignac number, because 26408471655 - 2² = 26408471651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26408471651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12397279 + ... + 12399408.

It is an arithmetic number, because the mean of its divisors is an integer number (2678042304).

Almost surely, 2^26408471655 is an apocalyptic number.

26408471655 is a deficient number, since it is larger than the sum of its proper divisors (16440205209).

26408471655 is a wasteful number, since it uses less digits than its factorization.

26408471655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24796766.

The product of its (nonzero) digits is 1612800, while the sum is 48.

The spelling of 26408471655 in words is "twenty-six billion, four hundred eight million, four hundred seventy-one thousand, six hundred fifty-five".