38151614538 has 24 divisors (see below), whose sum is σ = 82771057668. Its totient is φ = 12700400832.

The previous prime is 38151614497. The next prime is 38151614539. The reversal of 38151614538 is 83541615183.

38151614538 is a `hidden beast` number, since 3 + 8 + 1 + 51 + 61 + 4 + 538 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 33095977929 + 5055636609 = 181923^2 + 71103^2 .

It is a super-2 number, since 2×38151614538² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38151614493 and 38151614502.

It is not an unprimeable number, because it can be changed into a prime (38151614539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1386331 + ... + 1413582.

Almost surely, 2^38151614538 is an apocalyptic number.

38151614538 is an abundant number, since it is smaller than the sum of its proper divisors (44619443130).

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

38151614538 is a wasteful number, since it uses less digits than its factorization.

38151614538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2800678 (or 2800675 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The spelling of 38151614538 in words is "thirty-eight billion, one hundred fifty-one million, six hundred fourteen thousand, five hundred thirty-eight".