28130182290 has 96 divisors (see below), whose sum is σ = 87986171520. Its totient is φ = 6091345152.

The previous prime is 28130182279. The next prime is 28130182291. The reversal of 28130182290 is 9228103182.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28130182291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1163059 + ... + 1186998.

It is an arithmetic number, because the mean of its divisors is an integer number (916522620).

Almost surely, 2^28130182290 is an apocalyptic number.

28130182290 is an abundant number, since it is smaller than the sum of its proper divisors (59855989230).

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

28130182290 is a wasteful number, since it uses less digits than its factorization.

28130182290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2350096 (or 2350093 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The spelling of 28130182290 in words is "twenty-eight billion, one hundred thirty million, one hundred eighty-two thousand, two hundred ninety".