39946450556712 has 128 divisors (see below), whose sum is σ = 117068001811200. Its totient is φ = 11123176089600.

The previous prime is 39946450556669. The next prime is 39946450556713. The reversal of 39946450556712 is 21765505464993.

It is a happy number.

39946450556712 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (39946450556713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16763589 + ... + 18997652.

It is an arithmetic number, because the mean of its divisors is an integer number (914593764150).

Almost surely, 2^{39946450556712} is an apocalyptic number.

It is an amenable number.

39946450556712 is an abundant number, since it is smaller than the sum of its proper divisors (77121551254488).

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

39946450556712 is a wasteful number, since it uses less digits than its factorization.

39946450556712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35761427 (or 35761423 counting only the distinct ones).

The product of its (nonzero) digits is 244944000, while the sum is 66.

The spelling of 39946450556712 in words is "thirty-nine trillion, nine hundred forty-six billion, four hundred fifty million, five hundred fifty-six thousand, seven hundred twelve".