28182374844 has 48 divisors (see below), whose sum is σ = 71286297600. Its totient is φ = 8614065600.

The previous prime is 28182374839. The next prime is 28182374879. The reversal of 28182374844 is 44847328182.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 574644 + ... + 621755.

It is an arithmetic number, because the mean of its divisors is an integer number (1485131200).

Almost surely, 2^28182374844 is an apocalyptic number.

It is an amenable number.

28182374844 is an abundant number, since it is smaller than the sum of its proper divisors (43103922756).

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

28182374844 is a wasteful number, since it uses less digits than its factorization.

28182374844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196570 (or 1196568 counting only the distinct ones).

The product of its digits is 2752512, while the sum is 51.

The spelling of 28182374844 in words is "twenty-eight billion, one hundred eighty-two million, three hundred seventy-four thousand, eight hundred forty-four".