28400626282 has 24 divisors (see below), whose sum is σ = 50764889700. Its totient is φ = 11874824640.

The previous prime is 28400626259. The next prime is 28400626301. The reversal of 28400626282 is 28262600482.

It can be written as a sum of positive squares in 2 ways, for example, as 24680724201 + 3719902081 = 157101^2 + 60991^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 3530157 + ... + 3538192.

Almost surely, 2^28400626282 is an apocalyptic number.

28400626282 is a deficient number, since it is larger than the sum of its proper divisors (22364263418).

28400626282 is a wasteful number, since it uses less digits than its factorization.

28400626282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7068406 (or 7068399 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 40.

The spelling of 28400626282 in words is "twenty-eight billion, four hundred million, six hundred twenty-six thousand, two hundred eighty-two".