4647036606640 has 40 divisors (see below), whose sum is σ = 10812183944688. Its totient is φ = 1857468606720.

The previous prime is 4647036606623. The next prime is 4647036606643. The reversal of 4647036606640 is 466066307464.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (4647036606643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20920642 + ... + 21141601.

Almost surely, 2^{4647036606640} is an apocalyptic number.

4647036606640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4647036606640 is an abundant number, since it is smaller than the sum of its proper divisors (6165147338048).

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

4647036606640 is a wasteful number, since it uses less digits than its factorization.

4647036606640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42063637 (or 42063631 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 52.

The spelling of 4647036606640 in words is "four trillion, six hundred forty-seven billion, thirty-six million, six hundred six thousand, six hundred forty".