27648324612 has 36 divisors (see below), whose sum is σ = 73999929276. Its totient is φ = 8673984000.

The previous prime is 27648324611. The next prime is 27648324667. The reversal of 27648324612 is 21642384672.

It is a happy number.

27648324612 is a `hidden beast` number, since 2 + 7 + 6 + 4 + 8 + 3 + 24 + 612 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 16523559936 + 11124764676 = 128544^2 + 105474^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (27648324611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22587889 + ... + 22589112.

It is an arithmetic number, because the mean of its divisors is an integer number (2055553591).

Almost surely, 2^27648324612 is an apocalyptic number.

It is an amenable number.

27648324612 is an abundant number, since it is smaller than the sum of its proper divisors (46351604664).

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

27648324612 is a wasteful number, since it uses less digits than its factorization.

27648324612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45177028 (or 45177023 counting only the distinct ones).

The product of its digits is 774144, while the sum is 45.

The spelling of 27648324612 in words is "twenty-seven billion, six hundred forty-eight million, three hundred twenty-four thousand, six hundred twelve".