28443745810226 has 12 divisors (see below), whose sum is σ = 43401021519102. Its totient is φ = 13980824208384.

The previous prime is 28443745810223. The next prime is 28443745810241. The reversal of 28443745810226 is 62201854734482.

It can be written as a sum of positive squares in only one way, i.e., 23172198690001 + 5271547120225 = 4813751^2 + 2295985^2 .

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (28443745810223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2042778575 + ... + 2042792498.

Almost surely, 2^{28443745810226} is an apocalyptic number.

28443745810226 is a deficient number, since it is larger than the sum of its proper divisors (14957275708876).

28443745810226 is an equidigital number, since it uses as much as digits as its factorization.

28443745810226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4085571193 (or 4085571134 counting only the distinct ones).

The product of its (nonzero) digits is 20643840, while the sum is 56.

The spelling of 28443745810226 in words is "twenty-eight trillion, four hundred forty-three billion, seven hundred forty-five million, eight hundred ten thousand, two hundred twenty-six".