4006640063512 has 32 divisors (see below), whose sum is σ = 7645020843600. Its totient is φ = 1968048835200.

The previous prime is 4006640063509. The next prime is 4006640063519. The reversal of 4006640063512 is 2153600466004.

4006640063512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4006640063519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4666087 + ... + 5457622.

Almost surely, 2^{4006640063512} is an apocalyptic number.

It is an amenable number.

4006640063512 is a deficient number, since it is larger than the sum of its proper divisors (3638380780088).

4006640063512 is a wasteful number, since it uses less digits than its factorization.

4006640063512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10124587 (or 10124583 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 4006640063512 in words is "four trillion, six billion, six hundred forty million, sixty-three thousand, five hundred twelve".