38853289728 has 162 divisors, whose sum is σ = 123134275992. Its totient is φ = 11773639680.

The previous prime is 38853289697. The next prime is 38853289747. The reversal of 38853289728 is 82798235883.

38853289728 is a `hidden beast` number, since 3 + 8 + 8 + 532 + 8 + 97 + 2 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 209101 + ... + 348467.

Almost surely, 2^38853289728 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 38853289728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61567137996).

38853289728 is an abundant number, since it is smaller than the sum of its proper divisors (84280986264).

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

38853289728 is a wasteful number, since it uses less digits than its factorization.

38853289728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139411 (or 139383 counting only the distinct ones).

The product of its digits is 46448640, while the sum is 63.

The spelling of 38853289728 in words is "thirty-eight billion, eight hundred fifty-three million, two hundred eighty-nine thousand, seven hundred twenty-eight".