39671432112 has 40 divisors (see below), whose sum is σ = 110367960304. Its totient is φ = 12206594304.

The previous prime is 39671432041. The next prime is 39671432113. The reversal of 39671432112 is 21123417693.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (39671432113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31787383 + ... + 31788630.

Almost surely, 2^39671432112 is an apocalyptic number.

It is an amenable number.

39671432112 is an abundant number, since it is smaller than the sum of its proper divisors (70696528192).

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

39671432112 is a wasteful number, since it uses less digits than its factorization.

39671432112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63576037 (or 63576031 counting only the distinct ones).

The product of its digits is 54432, while the sum is 39.

The spelling of 39671432112 in words is "thirty-nine billion, six hundred seventy-one million, four hundred thirty-two thousand, one hundred twelve".