38494475184 has 160 divisors (see below), whose sum is σ = 115846871040. Its totient is φ = 10899302400.

The previous prime is 38494475137. The next prime is 38494475191. The reversal of 38494475184 is 48157449483.

38494475184 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 434124 + ... + 515220.

It is an arithmetic number, because the mean of its divisors is an integer number (724042944).

Almost surely, 2^38494475184 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 38494475184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57923435520).

38494475184 is an abundant number, since it is smaller than the sum of its proper divisors (77352395856).

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

38494475184 is a wasteful number, since it uses less digits than its factorization.

38494475184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81179 (or 81173 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 57.

The spelling of 38494475184 in words is "thirty-eight billion, four hundred ninety-four million, four hundred seventy-five thousand, one hundred eighty-four".