38769478944 has 144 divisors (see below), whose sum is σ = 118770515136. Its totient is φ = 11040960000.

The previous prime is 38769478921. The next prime is 38769478961. The reversal of 38769478944 is 44987496783.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1449694 + ... + 1476194.

It is an arithmetic number, because the mean of its divisors is an integer number (824795244).

Almost surely, 2^38769478944 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 38769478944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59385257568).

38769478944 is an abundant number, since it is smaller than the sum of its proper divisors (80001036192).

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

38769478944 is a wasteful number, since it uses less digits than its factorization.

38769478944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26839 (or 26824 counting only the distinct ones).

The product of its digits is 292626432, while the sum is 69.

The spelling of 38769478944 in words is "thirty-eight billion, seven hundred sixty-nine million, four hundred seventy-eight thousand, nine hundred forty-four".