38835798816 has 192 divisors, whose sum is σ = 109212364800. Its totient is φ = 12054282240.

The previous prime is 38835798791. The next prime is 38835798817. The reversal of 38835798816 is 61889753883.

It is not an unprimeable number, because it can be changed into a prime (38835798817) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 42629401 + ... + 42630311.

It is an arithmetic number, because the mean of its divisors is an integer number (568814400).

Almost surely, 2^38835798816 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 38835798816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54606182400).

38835798816 is an abundant number, since it is smaller than the sum of its proper divisors (70376565984).

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

38835798816 is a wasteful number, since it uses less digits than its factorization.

38835798816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439 (or 1431 counting only the distinct ones).

The product of its digits is 69672960, while the sum is 66.

The spelling of 38835798816 in words is "thirty-eight billion, eight hundred thirty-five million, seven hundred ninety-eight thousand, eight hundred sixteen".