27440747912 has 12 divisors (see below), whose sum is σ = 51452280855. Its totient is φ = 13720139688.

The previous prime is 27440747909. The next prime is 27440747921. The reversal of 27440747912 is 21974704472.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 13720373956 + 13720373956 = 117134^2 + 117134^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=117134.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 439253 + ... + 497819.

Almost surely, 2^27440747912 is an apocalyptic number.

It is an amenable number.

27440747912 is a deficient number, since it is larger than the sum of its proper divisors (24011532943).

27440747912 is an frugal number, since it uses more digits than its factorization.

27440747912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117140 (or 58569 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 47.

The spelling of 27440747912 in words is "twenty-seven billion, four hundred forty million, seven hundred forty-seven thousand, nine hundred twelve".