26956621336 has 32 divisors (see below), whose sum is σ = 56333502000. Its totient is φ = 12017811456.

The previous prime is 26956621327. The next prime is 26956621337. The reversal of 26956621336 is 63312665962.

It is a self number, because there is not a number n which added to its sum of digits gives 26956621336.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26956621337) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 5213481 + ... + 5218648.

Almost surely, 2^26956621336 is an apocalyptic number.

It is an amenable number.

26956621336 is an abundant number, since it is smaller than the sum of its proper divisors (29376880664).

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

26956621336 is a wasteful number, since it uses less digits than its factorization.

26956621336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10432171 (or 10432167 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 49.

The spelling of 26956621336 in words is "twenty-six billion, nine hundred fifty-six million, six hundred twenty-one thousand, three hundred thirty-six".