28042912912 has 40 divisors (see below), whose sum is σ = 62162092800. Its totient is φ = 12005409792.

The previous prime is 28042912897. The next prime is 28042912939. The reversal of 28042912912 is 21921924082.

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, 30712 + ... + 238807.

It is an arithmetic number, because the mean of its divisors is an integer number (1554052320).

Almost surely, 2^28042912912 is an apocalyptic number.

It is an amenable number.

28042912912 is an abundant number, since it is smaller than the sum of its proper divisors (34119179888).

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

28042912912 is a wasteful number, since it uses less digits than its factorization.

28042912912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270463 (or 270457 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The spelling of 28042912912 in words is "twenty-eight billion, forty-two million, nine hundred twelve thousand, nine hundred twelve".