39995252205 has 32 divisors (see below), whose sum is σ = 64694799360. Its totient is φ = 21097466880.

The previous prime is 39995252189. The next prime is 39995252243. The reversal of 39995252205 is 50225259993.

It is not a de Polignac number, because 39995252205 - 2⁴ = 39995252189 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 787275 + ... + 836535.

It is an arithmetic number, because the mean of its divisors is an integer number (2021712480).

Almost surely, 2^39995252205 is an apocalyptic number.

It is an amenable number.

39995252205 is a deficient number, since it is larger than the sum of its proper divisors (24699547155).

39995252205 is a wasteful number, since it uses less digits than its factorization.

39995252205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49861.

The product of its (nonzero) digits is 2187000, while the sum is 51.

The spelling of 39995252205 in words is "thirty-nine billion, nine hundred ninety-five million, two hundred fifty-two thousand, two hundred five".