38381613336 has 144 divisors (see below), whose sum is σ = 116134025280. Its totient is φ = 11439964800.

The previous prime is 38381613323. The next prime is 38381613373. The reversal of 38381613336 is 63331618383.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 38381613291 and 38381613300.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 495321 + ... + 567543.

Almost surely, 2^38381613336 is an apocalyptic number.

38381613336 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38381613336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58067012640).

38381613336 is an abundant number, since it is smaller than the sum of its proper divisors (77752411944).

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

38381613336 is a wasteful number, since it uses less digits than its factorization.

38381613336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72318 (or 72300 counting only the distinct ones).

The product of its digits is 559872, while the sum is 45.

The spelling of 38381613336 in words is "thirty-eight billion, three hundred eighty-one million, six hundred thirteen thousand, three hundred thirty-six".