38533513216 has 120 divisors (see below), whose sum is σ = 89022958416. Its totient is φ = 16483614720.

The previous prime is 38533513189. The next prime is 38533513231. The reversal of 38533513216 is 61231533583.

It is a happy 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, 3057520 + ... + 3070096.

Almost surely, 2^38533513216 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 38533513216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44511479208).

38533513216 is an abundant number, since it is smaller than the sum of its proper divisors (50489445200).

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

38533513216 is a wasteful number, since it uses less digits than its factorization.

38533513216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12633 (or 12607 counting only the distinct ones).

The product of its digits is 194400, while the sum is 40.

The spelling of 38533513216 in words is "thirty-eight billion, five hundred thirty-three million, five hundred thirteen thousand, two hundred sixteen".