38509949328 has 40 divisors (see below), whose sum is σ = 101600723328. Its totient is φ = 12563528832.

The previous prime is 38509949279. The next prime is 38509949351. The reversal of 38509949328 is 82394990583.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8532751 + ... + 8537262.

Almost surely, 2^38509949328 is an apocalyptic number.

It is an amenable number.

38509949328 is an abundant number, since it is smaller than the sum of its proper divisors (63090774000).

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

38509949328 is a wasteful number, since it uses less digits than its factorization.

38509949328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17070071 (or 17070065 counting only the distinct ones).

The product of its (nonzero) digits is 16796160, while the sum is 60.

The spelling of 38509949328 in words is "thirty-eight billion, five hundred nine million, nine hundred forty-nine thousand, three hundred twenty-eight".