388940832288 has 54 divisors (see below), whose sum is σ = 1106080590069. Its totient is φ = 129643416192.

The previous prime is 388940832281. The next prime is 388940832307. The reversal of 388940832288 is 882238049883.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 319301844624 + 69638987664 = 565068^2 + 263892^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=440988.

It is not an unprimeable number, because it can be changed into a prime (388940832281) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 10565338 + ... + 10602086.

Almost surely, 2^388940832288 is an apocalyptic number.

It is an amenable number.

388940832288 is an abundant number, since it is smaller than the sum of its proper divisors (717139757781).

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

388940832288 is an frugal number, since it uses more digits than its factorization.

388940832288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73514 (or 36754 counting only the distinct ones).

The product of its (nonzero) digits is 42467328, while the sum is 63.

The spelling of 388940832288 in words is "three hundred eighty-eight billion, nine hundred forty million, eight hundred thirty-two thousand, two hundred eighty-eight".