38371337728 has 80 divisors (see below), whose sum is σ = 79380347904. Its totient is φ = 18510612480.

The previous prime is 38371337701. The next prime is 38371337737. The reversal of 38371337728 is 82773317383.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5504101 + ... + 5511067.

Almost surely, 2^38371337728 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 38371337728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39690173952).

38371337728 is an abundant number, since it is smaller than the sum of its proper divisors (41009010176).

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

38371337728 is an equidigital number, since it uses as much as digits as its factorization.

38371337728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7363 (or 7347 counting only the distinct ones).

The product of its digits is 3556224, while the sum is 52.

The spelling of 38371337728 in words is "thirty-eight billion, three hundred seventy-one million, three hundred thirty-seven thousand, seven hundred twenty-eight".