38171384448 has 32 divisors (see below), whose sum is σ = 101392740960. Its totient is φ = 12723794688.

The previous prime is 38171384429. The next prime is 38171384497. The reversal of 38171384448 is 84448317183.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 38171384448.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49701940 + ... + 49702707.

It is an arithmetic number, because the mean of its divisors is an integer number (3168523155).

Almost surely, 2^38171384448 is an apocalyptic number.

It is an amenable number.

38171384448 is an abundant number, since it is smaller than the sum of its proper divisors (63221356512).

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

38171384448 is an equidigital number, since it uses as much as digits as its factorization.

38171384448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99404664 (or 99404652 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 51.

The spelling of 38171384448 in words is "thirty-eight billion, one hundred seventy-one million, three hundred eighty-four thousand, four hundred forty-eight".