38471723140 has 12 divisors (see below), whose sum is σ = 80790618636. Its totient is φ = 15388689248.

The previous prime is 38471723119. The next prime is 38471723179. The reversal of 38471723140 is 4132717483.

It can be written as a sum of positive squares in 2 ways, for example, as 18199089216 + 20272633924 = 134904^2 + 142382^2 .

It is a super-2 number, since 2×38471723140² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38471723093 and 38471723102.

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, 961793059 + ... + 961793098.

It is an arithmetic number, because the mean of its divisors is an integer number (6732551553).

Almost surely, 2^38471723140 is an apocalyptic number.

It is an amenable number.

38471723140 is an abundant number, since it is smaller than the sum of its proper divisors (42318895496).

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

38471723140 is a wasteful number, since it uses less digits than its factorization.

38471723140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1923586166 (or 1923586164 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The spelling of 38471723140 in words is "thirty-eight billion, four hundred seventy-one million, seven hundred twenty-three thousand, one hundred forty".