26153939752 has 8 divisors (see below), whose sum is σ = 49038637050. Its totient is φ = 13076969872.

The previous prime is 26153939711. The next prime is 26153939783. The reversal of 26153939752 is 25793935162.

It can be written as a sum of positive squares in only one way, i.e., 13494539556 + 12659400196 = 116166^2 + 112514^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 26153939752.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1634621227 + ... + 1634621242.

Almost surely, 2^26153939752 is an apocalyptic number.

It is an amenable number.

26153939752 is a deficient number, since it is larger than the sum of its proper divisors (22884697298).

26153939752 is a wasteful number, since it uses less digits than its factorization.

26153939752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3269242475 (or 3269242471 counting only the distinct ones).

The product of its digits is 3061800, while the sum is 52.

The spelling of 26153939752 in words is "twenty-six billion, one hundred fifty-three million, nine hundred thirty-nine thousand, seven hundred fifty-two".