28573306446 has 16 divisors (see below), whose sum is σ = 60154329600. Its totient is φ = 9023149368.

The previous prime is 28573306439. The next prime is 28573306469. The reversal of 28573306446 is 64460337582.

28573306446 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 28573306395 and 28573306404.

It is a congruent number.

It is an unprimeable number.

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, 125321406 + ... + 125321633.

It is an arithmetic number, because the mean of its divisors is an integer number (3759645600).

Almost surely, 2^28573306446 is an apocalyptic number.

28573306446 is an abundant number, since it is smaller than the sum of its proper divisors (31581023154).

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

28573306446 is a wasteful number, since it uses less digits than its factorization.

28573306446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250643063.

The product of its (nonzero) digits is 2903040, while the sum is 48.

The spelling of 28573306446 in words is "twenty-eight billion, five hundred seventy-three million, three hundred six thousand, four hundred forty-six".