28645383184 has 60 divisors (see below), whose sum is σ = 62155857708. Its totient is φ = 12774910720.

The previous prime is 28645383119. The next prime is 28645383253. The reversal of 28645383184 is 48138354682.

It can be written as a sum of positive squares in 2 ways, for example, as 25272096784 + 3373286400 = 158972^2 + 58080^2 .

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 11 ways as a sum of consecutive naturals, for example, 36979 + ... + 242194.

Almost surely, 2^28645383184 is an apocalyptic number.

It is an amenable number.

28645383184 is an abundant number, since it is smaller than the sum of its proper divisors (33510474524).

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

28645383184 is a wasteful number, since it uses less digits than its factorization.

28645383184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279256 (or 279239 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 52.

The spelling of 28645383184 in words is "twenty-eight billion, six hundred forty-five million, three hundred eighty-three thousand, one hundred eighty-four".