3840553855672 has 32 divisors (see below), whose sum is σ = 7489277150400. Its totient is φ = 1844727191424.

The previous prime is 3840553855667. The next prime is 3840553855693. The reversal of 3840553855672 is 2765583550483.

It is a self number, because there is not a number n which added to its sum of digits gives 3840553855672.

It is a congruent number.

It is an unprimeable number.

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, 82095883 + ... + 82142650.

It is an arithmetic number, because the mean of its divisors is an integer number (234039910950).

Almost surely, 2^{3840553855672} is an apocalyptic number.

It is an amenable number.

3840553855672 is a deficient number, since it is larger than the sum of its proper divisors (3648723294728).

3840553855672 is a wasteful number, since it uses less digits than its factorization.

3840553855672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164238655 (or 164238651 counting only the distinct ones).

The product of its (nonzero) digits is 120960000, while the sum is 61.

The spelling of 3840553855672 in words is "three trillion, eight hundred forty billion, five hundred fifty-three million, eight hundred fifty-five thousand, six hundred seventy-two".