28244809614898 has 16 divisors (see below), whose sum is σ = 43126905426840. Its totient is φ = 13869874972800.

The previous prime is 28244809614871. The next prime is 28244809614929. The reversal of 28244809614898 is 89841690844282.

It can be written as a sum of positive squares in 4 ways, for example, as 26200301416129 + 2044508198769 = 5118623^2 + 1429863^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 28244809614898.

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, 175044043 + ... + 175205326.

Almost surely, 2^{28244809614898} is an apocalyptic number.

28244809614898 is a deficient number, since it is larger than the sum of its proper divisors (14882095811942).

28244809614898 is a wasteful number, since it uses less digits than its factorization.

28244809614898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350250093.

The product of its (nonzero) digits is 509607936, while the sum is 73.

The spelling of 28244809614898 in words is "twenty-eight trillion, two hundred forty-four billion, eight hundred nine million, six hundred fourteen thousand, eight hundred ninety-eight".