28184275460 has 24 divisors (see below), whose sum is σ = 64567613376. Its totient is φ = 10248827360.

The previous prime is 28184275411. The next prime is 28184275489. The reversal of 28184275460 is 6457248182.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64054952 + ... + 64055391.

It is an arithmetic number, because the mean of its divisors is an integer number (2690317224).

Almost surely, 2^28184275460 is an apocalyptic number.

28184275460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28184275460 is an abundant number, since it is smaller than the sum of its proper divisors (36383337916).

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

28184275460 is a wasteful number, since it uses less digits than its factorization.

28184275460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128110363 (or 128110361 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 47.

The spelling of 28184275460 in words is "twenty-eight billion, one hundred eighty-four million, two hundred seventy-five thousand, four hundred sixty".