3640456017672 has 32 divisors (see below), whose sum is σ = 9101187182400. Its totient is φ = 1213479054144.

The previous prime is 3640456017641. The next prime is 3640456017707. The reversal of 3640456017672 is 2767106540463.

3640456017672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7977093 + ... + 8421099.

It is an arithmetic number, because the mean of its divisors is an integer number (284412099450).

Almost surely, 2^{3640456017672} is an apocalyptic number.

It is an amenable number.

3640456017672 is an abundant number, since it is smaller than the sum of its proper divisors (5460731164728).

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

3640456017672 is a wasteful number, since it uses less digits than its factorization.

3640456017672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785645 (or 785641 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 51.

The spelling of 3640456017672 in words is "three trillion, six hundred forty billion, four hundred fifty-six million, seventeen thousand, six hundred seventy-two".