28149334706832 has 40 divisors (see below), whose sum is σ = 72720550560096. Its totient is φ = 9382926291456.

The previous prime is 28149334706827. The next prime is 28149334706989. The reversal of 28149334706832 is 23860743394182.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 3322873 + ... + 8206104.

Almost surely, 2^{28149334706832} is an apocalyptic number.

It is an amenable number.

28149334706832 is an abundant number, since it is smaller than the sum of its proper divisors (44571215853264).

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

28149334706832 is a wasteful number, since it uses less digits than its factorization.

28149334706832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11579855 (or 11579849 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 60.

The spelling of 28149334706832 in words is "twenty-eight trillion, one hundred forty-nine billion, three hundred thirty-four million, seven hundred six thousand, eight hundred thirty-two".