26642956608 has 42 divisors (see below), whose sum is σ = 76367226234. Its totient is φ = 8880985344.

The previous prime is 26642956573. The next prime is 26642956621. The reversal of 26642956608 is 80665924662.

It is a happy number.

26642956608 is a `hidden beast` number, since 2 + 6 + 6 + 4 + 29 + 5 + 6 + 608 = 666.

It can be written as a sum of positive squares in only one way, i.e., 25725593664 + 917362944 = 160392^2 + 30288^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23126991 + ... + 23128142.

Almost surely, 2^26642956608 is an apocalyptic number.

It is an amenable number.

26642956608 is an abundant number, since it is smaller than the sum of its proper divisors (49724269626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26642956608 is a wasteful number, since it uses less digits than its factorization.

26642956608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46255151 (or 46255138 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 54.

The spelling of 26642956608 in words is "twenty-six billion, six hundred forty-two million, nine hundred fifty-six thousand, six hundred eight".