4138384052 has 36 divisors (see below), whose sum is σ = 8392653024. Its totient is φ = 1770426240.

The previous prime is 4138384051. The next prime is 4138384073. The reversal of 4138384052 is 2504838314.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4138383997 and 4138384015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4138384051) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 150008 + ... + 175439.

Almost surely, 2^4138384052 is an apocalyptic number.

It is an amenable number.

4138384052 is an abundant number, since it is smaller than the sum of its proper divisors (4254268972).

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

4138384052 is a wasteful number, since it uses less digits than its factorization.

4138384052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325496 (or 325477 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 4138384052 is about 64330.2732156486. The cubic root of 4138384052 is about 1605.4998300280.

The spelling of 4138384052 in words is "four billion, one hundred thirty-eight million, three hundred eighty-four thousand, fifty-two".