38885989984 has 24 divisors (see below), whose sum is σ = 77854369320. Its totient is φ = 19113451776.

The previous prime is 38885989981. The next prime is 38885989997. The reversal of 38885989984 is 48998958883.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38885989981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10296309 + ... + 10300084.

It is an arithmetic number, because the mean of its divisors is an integer number (3243932055).

Almost surely, 2^38885989984 is an apocalyptic number.

It is an amenable number.

38885989984 is an abundant number, since it is smaller than the sum of its proper divisors (38968379336).

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

38885989984 is a wasteful number, since it uses less digits than its factorization.

38885989984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20596462 (or 20596454 counting only the distinct ones).

The product of its digits is 1433272320, while the sum is 79.

The spelling of 38885989984 in words is "thirty-eight billion, eight hundred eighty-five million, nine hundred eighty-nine thousand, nine hundred eighty-four".