28530484132 has 36 divisors (see below), whose sum is σ = 52882737516. Its totient is φ = 13466154240.

The previous prime is 28530484127. The next prime is 28530484187. The reversal of 28530484132 is 23148403582.

It can be written as a sum of positive squares in 2 ways, for example, as 6205343076 + 22325141056 = 78774^2 + 149416^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 370608 + ... + 440920.

It is an arithmetic number, because the mean of its divisors is an integer number (1468964931).

Almost surely, 2^28530484132 is an apocalyptic number.

It is an amenable number.

28530484132 is a deficient number, since it is larger than the sum of its proper divisors (24352253384).

28530484132 is a wasteful number, since it uses less digits than its factorization.

28530484132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70636 (or 70615 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 40.

The spelling of 28530484132 in words is "twenty-eight billion, five hundred thirty million, four hundred eighty-four thousand, one hundred thirty-two".