38911994352 has 480 divisors, whose sum is σ = 143250831360. Its totient is φ = 9931196160.

The previous prime is 38911994339. The next prime is 38911994447. The reversal of 38911994352 is 25349911983.

38911994352 is a `hidden beast` number, since 38 + 91 + 1 + 99 + 435 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 17662083 + ... + 17664285.

It is an arithmetic number, because the mean of its divisors is an integer number (298439232).

Almost surely, 2^38911994352 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 38911994352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71625415680).

38911994352 is an abundant number, since it is smaller than the sum of its proper divisors (104338837008).

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

38911994352 is a wasteful number, since it uses less digits than its factorization.

38911994352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2303 (or 2285 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 54.

The spelling of 38911994352 in words is "thirty-eight billion, nine hundred eleven million, nine hundred ninety-four thousand, three hundred fifty-two".