38509497108 has 36 divisors (see below), whose sum is σ = 97360099200. Its totient is φ = 12834303696.

The previous prime is 38509497101. The next prime is 38509497109. The reversal of 38509497108 is 80179490583.

38509497108 is a `hidden beast` number, since 38 + 509 + 4 + 97 + 10 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×38509497108² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38509497101) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 129243 + ... + 306141.

It is an arithmetic number, because the mean of its divisors is an integer number (2704447200).

Almost surely, 2^38509497108 is an apocalyptic number.

It is an amenable number.

38509497108 is an abundant number, since it is smaller than the sum of its proper divisors (58850602092).

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

38509497108 is a wasteful number, since it uses less digits than its factorization.

38509497108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182956 (or 182951 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The spelling of 38509497108 in words is "thirty-eight billion, five hundred nine million, four hundred ninety-seven thousand, one hundred eight".