28453282176 has 128 divisors (see below), whose sum is σ = 82646438400. Its totient is φ = 8601651200.

The previous prime is 28453282171. The next prime is 28453282181. The reversal of 28453282176 is 67128235482.

It is an interprime number because it is at equal distance from previous prime (28453282171) and next prime (28453282181).

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28453282171) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1812730 + ... + 1828358.

It is an arithmetic number, because the mean of its divisors is an integer number (645675300).

Almost surely, 2^28453282176 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28453282176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41323219200).

28453282176 is an abundant number, since it is smaller than the sum of its proper divisors (54193156224).

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

28453282176 is a wasteful number, since it uses less digits than its factorization.

28453282176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16088 (or 16076 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 48.

The spelling of 28453282176 in words is "twenty-eight billion, four hundred fifty-three million, two hundred eighty-two thousand, one hundred seventy-six".