3840201555 has 16 divisors (see below), whose sum is σ = 6411467520. Its totient is φ = 1959059168.

The previous prime is 3840201551. The next prime is 3840201557. The reversal of 3840201555 is 5551020483.

It is a cyclic number.

It is not a de Polignac number, because 3840201555 - 2² = 3840201551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3840201551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5565165 + ... + 5565854.

It is an arithmetic number, because the mean of its divisors is an integer number (400716720).

Almost surely, 2^3840201555 is an apocalyptic number.

3840201555 is a deficient number, since it is larger than the sum of its proper divisors (2571265965).

3840201555 is a wasteful number, since it uses less digits than its factorization.

3840201555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11131050.

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 3840201555 is about 61969.3598078922. The cubic root of 3840201555 is about 1565.9744539447.

The spelling of 3840201555 in words is "three billion, eight hundred forty million, two hundred one thousand, five hundred fifty-five".