38255888384 has 144 divisors (see below), whose sum is σ = 90886199040. Its totient is φ = 16044564480.

The previous prime is 38255888323. The next prime is 38255888453. The reversal of 38255888384 is 48388855283.

It is a super-2 number, since 2×38255888384² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4712489 + ... + 4720599.

It is an arithmetic number, because the mean of its divisors is an integer number (631154160).

Almost surely, 2^38255888384 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 38255888384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45443099520).

38255888384 is an abundant number, since it is smaller than the sum of its proper divisors (52630310656).

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

38255888384 is an equidigital number, since it uses as much as digits as its factorization.

38255888384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8194 (or 8167 counting only the distinct ones).

The product of its digits is 58982400, while the sum is 62.

The spelling of 38255888384 in words is "thirty-eight billion, two hundred fifty-five million, eight hundred eighty-eight thousand, three hundred eighty-four".