28403845352 has 16 divisors (see below), whose sum is σ = 54696594660. Its totient is φ = 13818086784.

The previous prime is 28403845339. The next prime is 28403845363. The reversal of 28403845352 is 25354830482.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 27891004036 + 512841316 = 167006^2 + 22646^2 .

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 in 3 ways as a sum of consecutive naturals, for example, 47979173 + ... + 47979764.

Almost surely, 2^28403845352 is an apocalyptic number.

It is an amenable number.

28403845352 is a deficient number, since it is larger than the sum of its proper divisors (26292749308).

28403845352 is a wasteful number, since it uses less digits than its factorization.

28403845352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95958980 (or 95958976 counting only the distinct ones).

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

The spelling of 28403845352 in words is "twenty-eight billion, four hundred three million, eight hundred forty-five thousand, three hundred fifty-two".