38388385188 has 96 divisors (see below), whose sum is σ = 102281553920. Its totient is φ = 12442222080.

The previous prime is 38388385169. The next prime is 38388385193. The reversal of 38388385188 is 88158388383.

38388385188 is a `hidden beast` number, since 3 + 8 + 3 + 88 + 38 + 518 + 8 = 666.

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, 11318973 + ... + 11322363.

Almost surely, 2^38388385188 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 38388385188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51140776960).

38388385188 is an abundant number, since it is smaller than the sum of its proper divisors (63893168732).

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

38388385188 is a wasteful number, since it uses less digits than its factorization.

38388385188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6274 (or 6266 counting only the distinct ones).

The product of its digits is 35389440, while the sum is 63.

The spelling of 38388385188 in words is "thirty-eight billion, three hundred eighty-eight million, three hundred eighty-five thousand, one hundred eighty-eight".