38657324328 has 128 divisors (see below), whose sum is σ = 111370291200. Its totient is φ = 10953195264.

The previous prime is 38657324327. The next prime is 38657324339. The reversal of 38657324328 is 82342375683.

It is not an unprimeable number, because it can be changed into a prime (38657324327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14279151 + ... + 14281857.

It is an arithmetic number, because the mean of its divisors is an integer number (870080400).

Almost surely, 2^38657324328 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 38657324328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55685145600).

38657324328 is an abundant number, since it is smaller than the sum of its proper divisors (72712966872).

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

38657324328 is a wasteful number, since it uses less digits than its factorization.

38657324328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3399 (or 3395 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 51.

The spelling of 38657324328 in words is "thirty-eight billion, six hundred fifty-seven million, three hundred twenty-four thousand, three hundred twenty-eight".