39666627732 has 12 divisors (see below), whose sum is σ = 92555464736. Its totient is φ = 13222209240.

The previous prime is 39666627727. The next prime is 39666627733. The reversal of 39666627732 is 23772666693.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39666627733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1652776144 + ... + 1652776167.

Almost surely, 2^39666627732 is an apocalyptic number.

It is an amenable number.

39666627732 is an abundant number, since it is smaller than the sum of its proper divisors (52888837004).

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

39666627732 is a wasteful number, since it uses less digits than its factorization.

39666627732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3305552318 (or 3305552316 counting only the distinct ones).

The product of its digits is 20575296, while the sum is 57.

The spelling of 39666627732 in words is "thirty-nine billion, six hundred sixty-six million, six hundred twenty-seven thousand, seven hundred thirty-two".