28241445536 has 12 divisors (see below), whose sum is σ = 55600345962. Its totient is φ = 14120722752.

The previous prime is 28241445523. The next prime is 28241445553. The reversal of 28241445536 is 63554414282.

It can be written as a sum of positive squares in only one way, i.e., 28150128400 + 91317136 = 167780^2 + 9556^2 .

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 as a sum of consecutive naturals, namely, 441272555 + ... + 441272618.

Almost surely, 2^28241445536 is an apocalyptic number.

It is an amenable number.

28241445536 is a deficient number, since it is larger than the sum of its proper divisors (27358900426).

28241445536 is an equidigital number, since it uses as much as digits as its factorization.

28241445536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882545183 (or 882545175 counting only the distinct ones).

The product of its digits is 921600, while the sum is 44.

The spelling of 28241445536 in words is "twenty-eight billion, two hundred forty-one million, four hundred forty-five thousand, five hundred thirty-six".