4001533464556 has 12 divisors (see below), whose sum is σ = 7107201228568. Its totient is φ = 1970904542112.

The previous prime is 4001533464541. The next prime is 4001533464581. The reversal of 4001533464556 is 6554643351004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7465547241 + ... + 7465547776.

Almost surely, 2^{4001533464556} is an apocalyptic number.

It is an amenable number.

4001533464556 is a deficient number, since it is larger than the sum of its proper divisors (3105667764012).

4001533464556 is a wasteful number, since it uses less digits than its factorization.

4001533464556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14931095088 (or 14931095086 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 46.

The spelling of 4001533464556 in words is "four trillion, one billion, five hundred thirty-three million, four hundred sixty-four thousand, five hundred fifty-six".