388100442336 has 96 divisors (see below), whose sum is σ = 1029739431168. Its totient is φ = 127974297600.

The previous prime is 388100442287. The next prime is 388100442377. The reversal of 388100442336 is 633244001883.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×388100442336² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23299611 + ... + 23316261.

It is an arithmetic number, because the mean of its divisors is an integer number (10726452408).

Almost surely, 2^388100442336 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 388100442336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (514869715584).

388100442336 is an abundant number, since it is smaller than the sum of its proper divisors (641638988832).

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

388100442336 is a wasteful number, since it uses less digits than its factorization.

388100442336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19264 (or 19256 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 42.

The spelling of 388100442336 in words is "three hundred eighty-eight billion, one hundred million, four hundred forty-two thousand, three hundred thirty-six".