39944074462546 has 4 divisors (see below), whose sum is σ = 59916111693822. Its totient is φ = 19972037231272.

The previous prime is 39944074462531. The next prime is 39944074462577. The reversal of 39944074462546 is 64526447044993.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 39943853613225 + 220849321 = 6320115^2 + 14861^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9986018615635 + ... + 9986018615638.

Almost surely, 2^{39944074462546} is an apocalyptic number.

39944074462546 is a deficient number, since it is larger than the sum of its proper divisors (19972037231276).

39944074462546 is a wasteful number, since it uses less digits than its factorization.

39944074462546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19972037231275.

The product of its (nonzero) digits is 627056640, while the sum is 67.

The spelling of 39944074462546 in words is "thirty-nine trillion, nine hundred forty-four billion, seventy-four million, four hundred sixty-two thousand, five hundred forty-six".