39680544004 has 12 divisors (see below), whose sum is σ = 69699098700. Its totient is φ = 19766515808.

The previous prime is 39680543953. The next prime is 39680544047. The reversal of 39680544004 is 40044508693.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3260638404 + 36419905600 = 57102^2 + 190840^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18437839 + ... + 18439990.

It is an arithmetic number, because the mean of its divisors is an integer number (5808258225).

Almost surely, 2^39680544004 is an apocalyptic number.

It is an amenable number.

39680544004 is a deficient number, since it is larger than the sum of its proper divisors (30018554696).

39680544004 is a wasteful number, since it uses less digits than its factorization.

39680544004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36878102 (or 36878100 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 39680544004 in words is "thirty-nine billion, six hundred eighty million, five hundred forty-four thousand, four".