28544121326 has 8 divisors (see below), whose sum is σ = 48932779440. Its totient is φ = 12233194848.

The previous prime is 28544121313. The next prime is 28544121383. The reversal of 28544121326 is 62312144582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 28544121326.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1019432891 + ... + 1019432918.

It is an arithmetic number, because the mean of its divisors is an integer number (6116597430).

Almost surely, 2^28544121326 is an apocalyptic number.

28544121326 is a deficient number, since it is larger than the sum of its proper divisors (20388658114).

28544121326 is a wasteful number, since it uses less digits than its factorization.

28544121326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2038865818.

The product of its digits is 92160, while the sum is 38.

The spelling of 28544121326 in words is "twenty-eight billion, five hundred forty-four million, one hundred twenty-one thousand, three hundred twenty-six".