39779320418 has 8 divisors (see below), whose sum is σ = 59670349248. Its totient is φ = 19889204004.

The previous prime is 39779320409. The next prime is 39779320421. The reversal of 39779320418 is 81402397793.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 39779320418.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106046 + ... + 301337.

It is an arithmetic number, because the mean of its divisors is an integer number (7458793656).

Almost surely, 2^39779320418 is an apocalyptic number.

39779320418 is a deficient number, since it is larger than the sum of its proper divisors (19891028830).

39779320418 is a wasteful number, since it uses less digits than its factorization.

39779320418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456208.

The product of its (nonzero) digits is 2286144, while the sum is 53.

The spelling of 39779320418 in words is "thirty-nine billion, seven hundred seventy-nine million, three hundred twenty thousand, four hundred eighteen".