38379499928 has 128 divisors (see below), whose sum is σ = 92938752000. Its totient is φ = 14417733120.

The previous prime is 38379499909. The next prime is 38379499937. The reversal of 38379499928 is 82999497383.

38379499928 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 an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25705550 + ... + 25707042.

It is an arithmetic number, because the mean of its divisors is an integer number (726084000).

Almost surely, 2^38379499928 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 38379499928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46469376000).

38379499928 is an abundant number, since it is smaller than the sum of its proper divisors (54559252072).

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

38379499928 is a wasteful number, since it uses less digits than its factorization.

38379499928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2985 (or 2981 counting only the distinct ones).

The product of its digits is 211631616, while the sum is 71.

The spelling of 38379499928 in words is "thirty-eight billion, three hundred seventy-nine million, four hundred ninety-nine thousand, nine hundred twenty-eight".