26886022272 has 72 divisors (see below), whose sum is σ = 77383347795. Its totient is φ = 8960152320.

The previous prime is 26886022159. The next prime is 26886022283. The reversal of 26886022272 is 27222068862.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 13443011136 + 13443011136 = 115944^2 + 115944^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=115944.

It is a super-2 number, since 2×26886022272² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5562897 + ... + 5567727.

Almost surely, 2^26886022272 is an apocalyptic number.

It is an amenable number.

26886022272 is an abundant number, since it is smaller than the sum of its proper divisors (50497325523).

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

26886022272 is an frugal number, since it uses more digits than its factorization.

26886022272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9682 (or 4836 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The spelling of 26886022272 in words is "twenty-six billion, eight hundred eighty-six million, twenty-two thousand, two hundred seventy-two".