39849395916 has 48 divisors (see below), whose sum is σ = 101498721408. Its totient is φ = 12067968000.

The previous prime is 39849395903. The next prime is 39849395923. The reversal of 39849395916 is 61959394893.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117051 + ... + 305613.

It is an arithmetic number, because the mean of its divisors is an integer number (2114556696).

Almost surely, 2^39849395916 is an apocalyptic number.

It is an amenable number.

39849395916 is an abundant number, since it is smaller than the sum of its proper divisors (61649325492).

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

39849395916 is a wasteful number, since it uses less digits than its factorization.

39849395916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190182 (or 190180 counting only the distinct ones).

The product of its digits is 56687040, while the sum is 66.

The spelling of 39849395916 in words is "thirty-nine billion, eight hundred forty-nine million, three hundred ninety-five thousand, nine hundred sixteen".