38138506275 has 36 divisors (see below), whose sum is σ = 65916480728. Its totient is φ = 19456145280.

The previous prime is 38138506253. The next prime is 38138506349. The reversal of 38138506275 is 57260583183.

It is not a de Polignac number, because 38138506275 - 2¹¹ = 38138504227 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 440962 + ... + 520311.

Almost surely, 2^38138506275 is an apocalyptic number.

38138506275 is a deficient number, since it is larger than the sum of its proper divisors (27777974453).

38138506275 is a wasteful number, since it uses less digits than its factorization.

38138506275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961332 (or 961304 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 48.

The spelling of 38138506275 in words is "thirty-eight billion, one hundred thirty-eight million, five hundred six thousand, two hundred seventy-five".