28526304052 has 12 divisors (see below), whose sum is σ = 49935186756. Its totient is φ = 14259107840.

The previous prime is 28526304031. The next prime is 28526304077. The reversal of 28526304052 is 25040362582.

It can be written as a sum of positive squares in 2 ways, for example, as 22178357776 + 6347946276 = 148924^2 + 79674^2 .

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 3 ways as a sum of consecutive naturals, for example, 995149 + ... + 1023412.

It is an arithmetic number, because the mean of its divisors is an integer number (4161265563).

Almost surely, 2^28526304052 is an apocalyptic number.

It is an amenable number.

28526304052 is a deficient number, since it is larger than the sum of its proper divisors (21408882704).

28526304052 is a wasteful number, since it uses less digits than its factorization.

28526304052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022098 (or 2022096 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 28526304052 in words is "twenty-eight billion, five hundred twenty-six million, three hundred four thousand, fifty-two".