38923009138208 has 48 divisors (see below), whose sum is σ = 83295519471360. Its totient is φ = 17796573532416.

The previous prime is 38923009138207. The next prime is 38923009138217. The reversal of 38923009138208 is 80283190032983.

It is not an unprimeable number, because it can be changed into a prime (38923009138207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437174768 + ... + 437263791.

It is an arithmetic number, because the mean of its divisors is an integer number (1735323322320).

Almost surely, 2^{38923009138208} is an apocalyptic number.

It is an amenable number.

38923009138208 is an abundant number, since it is smaller than the sum of its proper divisors (44372510333152).

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

38923009138208 is a wasteful number, since it uses less digits than its factorization.

38923009138208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874438689 (or 874438681 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 56.

The spelling of 38923009138208 in words is "thirty-eight trillion, nine hundred twenty-three billion, nine million, one hundred thirty-eight thousand, two hundred eight".