39986297106 has 32 divisors (see below), whose sum is σ = 91542156288. Its totient is φ = 11406543120.

The previous prime is 39986297101. The next prime is 39986297123. The reversal of 39986297106 is 60179268993.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 39986297106.

It is not an unprimeable number, because it can be changed into a prime (39986297101) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 727900 + ... + 780903.

It is an arithmetic number, because the mean of its divisors is an integer number (2860692384).

Almost surely, 2^39986297106 is an apocalyptic number.

39986297106 is an abundant number, since it is smaller than the sum of its proper divisors (51555859182).

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

39986297106 is a wasteful number, since it uses less digits than its factorization.

39986297106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1509446.

The product of its (nonzero) digits is 8817984, while the sum is 60.

The spelling of 39986297106 in words is "thirty-nine billion, nine hundred eighty-six million, two hundred ninety-seven thousand, one hundred six".