28420348592 has 20 divisors (see below), whose sum is σ = 55761445920. Its totient is φ = 14030298048.

The previous prime is 28420348591. The next prime is 28420348601. The reversal of 28420348592 is 29584302482.

It is not an unprimeable number, because it can be changed into a prime (28420348591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11240963 + ... + 11243490.

It is an arithmetic number, because the mean of its divisors is an integer number (2788072296).

Almost surely, 2^28420348592 is an apocalyptic number.

It is an amenable number.

28420348592 is a deficient number, since it is larger than the sum of its proper divisors (27341097328).

28420348592 is a wasteful number, since it uses less digits than its factorization.

28420348592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22484540 (or 22484534 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 47.

The spelling of 28420348592 in words is "twenty-eight billion, four hundred twenty million, three hundred forty-eight thousand, five hundred ninety-two".