26936269872 has 40 divisors (see below), whose sum is σ = 71282573040. Its totient is φ = 8759761920.

The previous prime is 26936269859. The next prime is 26936269909. The reversal of 26936269872 is 27896263962.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6841597 + ... + 6845532.

It is an arithmetic number, because the mean of its divisors is an integer number (1782064326).

Almost surely, 2^26936269872 is an apocalyptic number.

It is an amenable number.

26936269872 is an abundant number, since it is smaller than the sum of its proper divisors (44346303168).

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

26936269872 is a wasteful number, since it uses less digits than its factorization.

26936269872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13687181 (or 13687175 counting only the distinct ones).

The product of its digits is 23514624, while the sum is 60.

The spelling of 26936269872 in words is "twenty-six billion, nine hundred thirty-six million, two hundred sixty-nine thousand, eight hundred seventy-two".