3999957940186 has 32 divisors (see below), whose sum is σ = 6487157779200. Its totient is φ = 1838808216000.

The previous prime is 3999957940171. The next prime is 3999957940247. The reversal of 3999957940186 is 6810497599993.

3999957940186 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7130100 + ... + 7670608.

It is an arithmetic number, because the mean of its divisors is an integer number (202723680600).

Almost surely, 2^{3999957940186} is an apocalyptic number.

3999957940186 is a deficient number, since it is larger than the sum of its proper divisors (2487199839014).

3999957940186 is a wasteful number, since it uses less digits than its factorization.

3999957940186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541654.

The product of its (nonzero) digits is 1190427840, while the sum is 79.

The spelling of 3999957940186 in words is "three trillion, nine hundred ninety-nine billion, nine hundred fifty-seven million, nine hundred forty thousand, one hundred eighty-six".