38105216508 has 24 divisors (see below), whose sum is σ = 94142300112. Its totient is φ = 11954577664.

The previous prime is 38105216453. The next prime is 38105216519. The reversal of 38105216508 is 80561250183.

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, 93394935 + ... + 93395342.

It is an arithmetic number, because the mean of its divisors is an integer number (3922595838).

Almost surely, 2^38105216508 is an apocalyptic number.

It is an amenable number.

38105216508 is an abundant number, since it is smaller than the sum of its proper divisors (56037083604).

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

38105216508 is a wasteful number, since it uses less digits than its factorization.

38105216508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186790301 (or 186790299 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 39.

The spelling of 38105216508 in words is "thirty-eight billion, one hundred five million, two hundred sixteen thousand, five hundred eight".