39580423972 has 6 divisors (see below), whose sum is σ = 69265741958. Its totient is φ = 19790211984.

The previous prime is 39580423969. The next prime is 39580423979. The reversal of 39580423972 is 27932408593.

39580423972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 29641131556 + 9939292416 = 172166^2 + 99696^2 .

It is not an unprimeable number, because it can be changed into a prime (39580423979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4947552993 + ... + 4947553000.

Almost surely, 2^39580423972 is an apocalyptic number.

It is an amenable number.

39580423972 is a deficient number, since it is larger than the sum of its proper divisors (29685317986).

39580423972 is a wasteful number, since it uses less digits than its factorization.

39580423972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9895105997 (or 9895105995 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 52.

The spelling of 39580423972 in words is "thirty-nine billion, five hundred eighty million, four hundred twenty-three thousand, nine hundred seventy-two".