28844508020 has 24 divisors (see below), whose sum is σ = 60587921184. Its totient is φ = 11535050016.

The previous prime is 28844508013. The next prime is 28844508023. The reversal of 28844508020 is 2080544882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28844508023) 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 7 ways as a sum of consecutive naturals, for example, 85094 + ... + 254813.

It is an arithmetic number, because the mean of its divisors is an integer number (2524496716).

Almost surely, 2^28844508020 is an apocalyptic number.

28844508020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28844508020 is an abundant number, since it is smaller than the sum of its proper divisors (31743413164).

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

28844508020 is a wasteful number, since it uses less digits than its factorization.

28844508020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344159 (or 344157 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 41.

The spelling of 28844508020 in words is "twenty-eight billion, eight hundred forty-four million, five hundred eight thousand, twenty".