388644382000 has 160 divisors (see below), whose sum is σ = 1095911107200. Its totient is φ = 133249267200.

The previous prime is 388644381967. The next prime is 388644382013. The reversal of 388644382000 is 283446883.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

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 31 ways as a sum of consecutive naturals, for example, 402732 + ... + 969268.

It is an arithmetic number, because the mean of its divisors is an integer number (6849444420).

Almost surely, 2^388644382000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 388644382000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (547955553600).

388644382000 is an abundant number, since it is smaller than the sum of its proper divisors (707266725200).

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

388644382000 is an equidigital number, since it uses as much as digits as its factorization.

388644382000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566581 (or 566551 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 46.

The spelling of 388644382000 in words is "three hundred eighty-eight billion, six hundred forty-four million, three hundred eighty-two thousand".