28341442128 has 40 divisors (see below), whose sum is σ = 74142179200. Its totient is φ = 9327561984.

The previous prime is 28341442117. The next prime is 28341442147. The reversal of 28341442128 is 82124414382.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3733213 + ... + 3740796.

It is an arithmetic number, because the mean of its divisors is an integer number (1853554480).

Almost surely, 2^28341442128 is an apocalyptic number.

It is an amenable number.

28341442128 is an abundant number, since it is smaller than the sum of its proper divisors (45800737072).

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

28341442128 is a wasteful number, since it uses less digits than its factorization.

28341442128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7474099 (or 7474093 counting only the distinct ones).

The product of its digits is 98304, while the sum is 39.

The spelling of 28341442128 in words is "twenty-eight billion, three hundred forty-one million, four hundred forty-two thousand, one hundred twenty-eight".