39768458512 has 10 divisors (see below), whose sum is σ = 77051388398. Its totient is φ = 19884229248.

The previous prime is 39768458507. The next prime is 39768458549. The reversal of 39768458512 is 21585486793.

It can be written as a sum of positive squares in only one way, i.e., 32711786496 + 7056672016 = 180864^2 + 84004^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1242764313 + ... + 1242764344.

Almost surely, 2^39768458512 is an apocalyptic number.

It is an amenable number.

39768458512 is a deficient number, since it is larger than the sum of its proper divisors (37282929886).

39768458512 is a wasteful number, since it uses less digits than its factorization.

39768458512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2485528665 (or 2485528659 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 58.

The spelling of 39768458512 in words is "thirty-nine billion, seven hundred sixty-eight million, four hundred fifty-eight thousand, five hundred twelve".