39888316920 has 64 divisors (see below), whose sum is σ = 119689449120. Its totient is φ = 10634706944.

The previous prime is 39888316907. The next prime is 39888316921. The reversal of 39888316920 is 2961388893.

39888316920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39888316921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 604264 + ... + 667016.

Almost surely, 2^39888316920 is an apocalyptic number.

39888316920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

39888316920 is an abundant number, since it is smaller than the sum of its proper divisors (79801132200).

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

39888316920 is a wasteful number, since it uses less digits than its factorization.

39888316920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68064 (or 68060 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 57.

The spelling of 39888316920 in words is "thirty-nine billion, eight hundred eighty-eight million, three hundred sixteen thousand, nine hundred twenty".