28030052504 has 32 divisors (see below), whose sum is σ = 52824247200. Its totient is φ = 13943677440.

The previous prime is 28030052503. The next prime is 28030052507. The reversal of 28030052504 is 40525003082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28030052503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2939264 + ... + 2948784.

It is an arithmetic number, because the mean of its divisors is an integer number (1650757725).

Almost surely, 2^28030052504 is an apocalyptic number.

It is an amenable number.

28030052504 is a deficient number, since it is larger than the sum of its proper divisors (24794194696).

28030052504 is a wasteful number, since it uses less digits than its factorization.

28030052504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11363 (or 11359 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 28030052504 its reverse (40525003082), we get a palindrome (68555055586).

The spelling of 28030052504 in words is "twenty-eight billion, thirty million, fifty-two thousand, five hundred four".