38145593828 has 12 divisors (see below), whose sum is σ = 66756386172. Its totient is φ = 19072340640.

The previous prime is 38145593779. The next prime is 38145593833. The reversal of 38145593828 is 82839554183.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 30540358564 + 7605235264 = 174758^2 + 87208^2 .

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 3 ways as a sum of consecutive naturals, for example, 133958 + ... + 306978.

It is an arithmetic number, because the mean of its divisors is an integer number (5563032181).

Almost surely, 2^38145593828 is an apocalyptic number.

It is an amenable number.

38145593828 is a deficient number, since it is larger than the sum of its proper divisors (28610792344).

38145593828 is a wasteful number, since it uses less digits than its factorization.

38145593828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228142 (or 228140 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 56.

The spelling of 38145593828 in words is "thirty-eight billion, one hundred forty-five million, five hundred ninety-three thousand, eight hundred twenty-eight".