28459570344 has 32 divisors (see below), whose sum is σ = 72123573120. Its totient is φ = 9356570496.

The previous prime is 28459570343. The next prime is 28459570357. The reversal of 28459570344 is 44307595482.

It is not an unprimeable number, because it can be changed into a prime (28459570343) by changing a digit.

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, 8120272 + ... + 8123775.

It is an arithmetic number, because the mean of its divisors is an integer number (2253861660).

Almost surely, 2^28459570344 is an apocalyptic number.

28459570344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28459570344 is an abundant number, since it is smaller than the sum of its proper divisors (43664002776).

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

28459570344 is a wasteful number, since it uses less digits than its factorization.

28459570344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16244129 (or 16244125 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 51.

The spelling of 28459570344 in words is "twenty-eight billion, four hundred fifty-nine million, five hundred seventy thousand, three hundred forty-four".