28806030688432 has 40 divisors (see below), whose sum is σ = 57861775828080. Its totient is φ = 13882424401920.

The previous prime is 28806030688397. The next prime is 28806030688459. The reversal of 28806030688432 is 23488603060882.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264473457 + ... + 264582352.

It is an arithmetic number, because the mean of its divisors is an integer number (1446544395702).

Almost surely, 2^{28806030688432} is an apocalyptic number.

It is an amenable number.

28806030688432 is an abundant number, since it is smaller than the sum of its proper divisors (29055745139648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28806030688432 is a wasteful number, since it uses less digits than its factorization.

28806030688432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529055941 (or 529055935 counting only the distinct ones).

The product of its (nonzero) digits is 21233664, while the sum is 58.

The spelling of 28806030688432 in words is "twenty-eight trillion, eight hundred six billion, thirty million, six hundred eighty-eight thousand, four hundred thirty-two".