388642838208 has 224 divisors, whose sum is σ = 1110408735744. Its totient is φ = 119524589568.

The previous prime is 388642838183. The next prime is 388642838239. The reversal of 388642838208 is 802838246883.

388642838208 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39786541 + ... + 39796307.

It is an arithmetic number, because the mean of its divisors is an integer number (4957181856).

Almost surely, 2^388642838208 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 388642838208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (555204367872).

388642838208 is an abundant number, since it is smaller than the sum of its proper divisors (721765897536).

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

388642838208 is a wasteful number, since it uses less digits than its factorization.

388642838208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10039 (or 10029 counting only the distinct ones).

The product of its (nonzero) digits is 28311552, while the sum is 60.

The spelling of 388642838208 in words is "three hundred eighty-eight billion, six hundred forty-two million, eight hundred thirty-eight thousand, two hundred eight".