38543872100 has 18 divisors (see below), whose sum is σ = 83640202674. Its totient is φ = 15417548800.

The previous prime is 38543872097. The next prime is 38543872127. The reversal of 38543872100 is 127834583.

It can be written as a sum of positive squares in 3 ways, for example, as 1359691876 + 37184180224 = 36874^2 + 192832^2 .

It is a super-2 number, since 2×38543872100² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 192719261 + ... + 192719460.

Almost surely, 2^38543872100 is an apocalyptic number.

It is an amenable number.

38543872100 is an abundant number, since it is smaller than the sum of its proper divisors (45096330574).

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

38543872100 is a wasteful number, since it uses less digits than its factorization.

38543872100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385438735 (or 385438728 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The spelling of 38543872100 in words is "thirty-eight billion, five hundred forty-three million, eight hundred seventy-two thousand, one hundred".