28134292050 has 54 divisors (see below), whose sum is σ = 75597025413. Its totient is φ = 7501529040.

The previous prime is 28134292007. The next prime is 28134292133. The reversal of 28134292050 is 5029243182.

It is a happy number.

28134292050 is a `hidden beast` number, since 28 + 1 + 3 + 429 + 205 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 27571606209 + 562685841 = 166047^2 + 23721^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=118605.

It is a junction number, because it is equal to n+sod(n) for n = 28134291996 and 28134292014.

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 26 ways as a sum of consecutive naturals, for example, 3554197 + ... + 3562103.

Almost surely, 2^28134292050 is an apocalyptic number.

28134292050 is an abundant number, since it is smaller than the sum of its proper divisors (47462733363).

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

28134292050 is an frugal number, since it uses more digits than its factorization.

28134292050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15832 (or 7917 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 28134292050 in words is "twenty-eight billion, one hundred thirty-four million, two hundred ninety-two thousand, fifty".