26971486044 has 24 divisors (see below), whose sum is σ = 63092001168. Its totient is φ = 8967847680.

The previous prime is 26971486007. The next prime is 26971486067. The reversal of 26971486044 is 44068417962.

It is a happy number.

It is a super-2 number, since 2×26971486044² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 2825997 + ... + 2835524.

It is an arithmetic number, because the mean of its divisors is an integer number (2628833382).

Almost surely, 2^26971486044 is an apocalyptic number.

It is an amenable number.

26971486044 is an abundant number, since it is smaller than the sum of its proper divisors (36120515124).

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

26971486044 is a wasteful number, since it uses less digits than its factorization.

26971486044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5661925 (or 5661923 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 51.

The spelling of 26971486044 in words is "twenty-six billion, nine hundred seventy-one million, four hundred eighty-six thousand, forty-four".