38666809332 has 216 divisors, whose sum is σ = 111859748000. Its totient is φ = 11222572032.

The previous prime is 38666809331. The next prime is 38666809339. The reversal of 38666809332 is 23390866683.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38666809331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 8497794 + ... + 8502342.

Almost surely, 2^38666809332 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 38666809332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55929874000).

38666809332 is an abundant number, since it is smaller than the sum of its proper divisors (73192938668).

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

38666809332 is a wasteful number, since it uses less digits than its factorization.

38666809332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4655 (or 4633 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 54.

The spelling of 38666809332 in words is "thirty-eight billion, six hundred sixty-six million, eight hundred nine thousand, three hundred thirty-two".