39766806139492 has 24 divisors (see below), whose sum is σ = 69717221493920. Its totient is φ = 19847603430720.

The previous prime is 39766806139481. The next prime is 39766806139493. The reversal of 39766806139492 is 29493160866793.

It is not an unprimeable number, because it can be changed into a prime (39766806139493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47109403 + ... + 47946109.

Almost surely, 2^{39766806139492} is an apocalyptic number.

It is an amenable number.

39766806139492 is a deficient number, since it is larger than the sum of its proper divisors (29950415354428).

39766806139492 is a wasteful number, since it uses less digits than its factorization.

39766806139492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858091 (or 858089 counting only the distinct ones).

The product of its (nonzero) digits is 634894848, while the sum is 73.

The spelling of 39766806139492 in words is "thirty-nine trillion, seven hundred sixty-six billion, eight hundred six million, one hundred thirty-nine thousand, four hundred ninety-two".