384020018564 has 36 divisors (see below), whose sum is σ = 841890046284. Its totient is φ = 151920006336.

The previous prime is 384020018549. The next prime is 384020018579. The reversal of 384020018564 is 465810020483.

It is an interprime number because it is at equal distance from previous prime (384020018549) and next prime (384020018579).

It can be written as a sum of positive squares in 2 ways, for example, as 122039832964 + 261980185600 = 349342^2 + 511840^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 75354599 + ... + 75359694.

It is an arithmetic number, because the mean of its divisors is an integer number (23385834619).

Almost surely, 2^384020018564 is an apocalyptic number.

It is an amenable number.

384020018564 is an abundant number, since it is smaller than the sum of its proper divisors (457870027720).

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

384020018564 is a wasteful number, since it uses less digits than its factorization.

384020018564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150714324 (or 150714315 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 41.

The spelling of 384020018564 in words is "three hundred eighty-four billion, twenty million, eighteen thousand, five hundred sixty-four".