28255845050000 has 60 divisors (see below), whose sum is σ = 68427745195572. Its totient is φ = 11302338000000.

The previous prime is 28255845049937. The next prime is 28255845050003. The reversal of 28255845050000 is 5054855282.

It can be written as a sum of positive squares in 6 ways, for example, as 19518476592784 + 8737368457216 = 4417972^2 + 2955904^2 .

It is not an unprimeable number, because it can be changed into a prime (28255845050003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 282508451 + ... + 282608450.

Almost surely, 2^{28255845050000} is an apocalyptic number.

28255845050000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28255845050000 is an abundant number, since it is smaller than the sum of its proper divisors (40171900145572).

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

28255845050000 is an frugal number, since it uses more digits than its factorization.

28255845050000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565116934 (or 565116908 counting only the distinct ones).

The product of its (nonzero) digits is 640000, while the sum is 44.

The spelling of 28255845050000 in words is "twenty-eight trillion, two hundred fifty-five billion, eight hundred forty-five million, fifty thousand".