28242688126 has 16 divisors (see below), whose sum is σ = 45146502144. Its totient is φ = 13219980664.

The previous prime is 28242688087. The next prime is 28242688129. The reversal of 28242688126 is 62188624282.

It is a self number, because there is not a number n which added to its sum of digits gives 28242688126.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28242688129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6529450 + ... + 6533773.

It is an arithmetic number, because the mean of its divisors is an integer number (2821656384).

Almost surely, 2^28242688126 is an apocalyptic number.

28242688126 is a deficient number, since it is larger than the sum of its proper divisors (16903814018).

28242688126 is a wasteful number, since it uses less digits than its factorization.

28242688126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13063295.

The product of its digits is 1179648, while the sum is 49.

The spelling of 28242688126 in words is "twenty-eight billion, two hundred forty-two million, six hundred eighty-eight thousand, one hundred twenty-six".