39766806139240 has 32 divisors (see below), whose sum is σ = 92361614261760. Its totient is φ = 15393602376000.

The previous prime is 39766806139133. The next prime is 39766806139241. The reversal of 39766806139240 is 4293160866793.

It is not an unprimeable number, because it can be changed into a prime (39766806139241) 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, 16035001236 + ... + 16035003715.

It is an arithmetic number, because the mean of its divisors is an integer number (2886300445680).

Almost surely, 2^{39766806139240} is an apocalyptic number.

It is an amenable number.

39766806139240 is an abundant number, since it is smaller than the sum of its proper divisors (52594808122520).

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

39766806139240 is a wasteful number, since it uses less digits than its factorization.

39766806139240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32070004993 (or 32070004989 counting only the distinct ones).

The product of its (nonzero) digits is 70543872, while the sum is 64.

The spelling of 39766806139240 in words is "thirty-nine trillion, seven hundred sixty-six billion, eight hundred six million, one hundred thirty-nine thousand, two hundred forty".