39766806139476 has 144 divisors (see below), whose sum is σ = 100746635325504. Its totient is φ = 12202997234688.

The previous prime is 39766806139451. The next prime is 39766806139477. The reversal of 39766806139476 is 67493160866793.

It is a junction number, because it is equal to n+sod(n) for n = 39766806139398 and 39766806139407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39766806139477) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2041721850 + ... + 2041741326.

Almost surely, 2^{39766806139476} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39766806139476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50373317662752).

39766806139476 is an abundant number, since it is smaller than the sum of its proper divisors (60979829186028).

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

39766806139476 is a wasteful number, since it uses less digits than its factorization.

39766806139476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22170 (or 22155 counting only the distinct ones).

The product of its (nonzero) digits is 1481421312, while the sum is 75.

The spelling of 39766806139476 in words is "thirty-nine trillion, seven hundred sixty-six billion, eight hundred six million, one hundred thirty-nine thousand, four hundred seventy-six".