38225375138 has 16 divisors (see below), whose sum is σ = 58565528064. Its totient is φ = 18703636800.

The previous prime is 38225375099. The next prime is 38225375147. The reversal of 38225375138 is 83157352283.

It is a happy number.

It is a super-2 number, since 2×38225375138² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a junction number, because it is equal to n+sod(n) for n = 38225375092 and 38225375101.

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 7 ways as a sum of consecutive naturals, for example, 876506 + ... + 919082.

It is an arithmetic number, because the mean of its divisors is an integer number (3660345504).

Almost surely, 2^38225375138 is an apocalyptic number.

38225375138 is a deficient number, since it is larger than the sum of its proper divisors (20340152926).

38225375138 is a wasteful number, since it uses less digits than its factorization.

38225375138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52177.

The product of its digits is 1209600, while the sum is 47.

The spelling of 38225375138 in words is "thirty-eight billion, two hundred twenty-five million, three hundred seventy-five thousand, one hundred thirty-eight".