28504503326268 has 36 divisors (see below), whose sum is σ = 75845315869960. Its totient is φ = 9001422102816.

The previous prime is 28504503326263. The next prime is 28504503326293. The reversal of 28504503326268 is 86262330540582.

28504503326268 is a `hidden beast` number, since 2 + 8 + 5 + 0 + 4 + 5 + 0 + 3 + 3 + 2 + 626 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28504503326263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20836624555 + ... + 20836625922.

Almost surely, 2^{28504503326268} is an apocalyptic number.

It is an amenable number.

28504503326268 is an abundant number, since it is smaller than the sum of its proper divisors (47340812543692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28504503326268 is a wasteful number, since it uses less digits than its factorization.

28504503326268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41673250506 (or 41673250501 counting only the distinct ones).

The product of its (nonzero) digits is 16588800, while the sum is 54.

The spelling of 28504503326268 in words is "twenty-eight trillion, five hundred four billion, five hundred three million, three hundred twenty-six thousand, two hundred sixty-eight".