28344133760 has 64 divisors (see below), whose sum is σ = 67898952000. Its totient is φ = 11314437120.

The previous prime is 28344133717. The next prime is 28344133787. The reversal of 28344133760 is 6733144382.

It is a tau number, because it is divible by the number of its divisors (64).

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, 269141 + ... + 359339.

It is an arithmetic number, because the mean of its divisors is an integer number (1060921125).

Almost surely, 2^28344133760 is an apocalyptic number.

28344133760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28344133760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33949476000).

28344133760 is an abundant number, since it is smaller than the sum of its proper divisors (39554818240).

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

28344133760 is an equidigital number, since it uses as much as digits as its factorization.

28344133760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90709 (or 90697 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 41.

The spelling of 28344133760 in words is "twenty-eight billion, three hundred forty-four million, one hundred thirty-three thousand, seven hundred sixty".