28528130038 has 16 divisors (see below), whose sum is σ = 44276294880. Its totient is φ = 13769554176.

The previous prime is 28528130027. The next prime is 28528130041. The reversal of 28528130038 is 83003182582.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276070 + ... + 365062.

It is an arithmetic number, because the mean of its divisors is an integer number (2767268430).

Almost surely, 2^28528130038 is an apocalyptic number.

28528130038 is a deficient number, since it is larger than the sum of its proper divisors (15748164842).

28528130038 is a wasteful number, since it uses less digits than its factorization.

28528130038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94551.

The product of its (nonzero) digits is 92160, while the sum is 40.

The spelling of 28528130038 in words is "twenty-eight billion, five hundred twenty-eight million, one hundred thirty thousand, thirty-eight".