39441391216 has 20 divisors (see below), whose sum is σ = 76516578072. Its totient is φ = 19695177536.

The previous prime is 39441391207. The next prime is 39441391237. The reversal of 39441391216 is 61219314493.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1582126 + ... + 1606861.

Almost surely, 2^39441391216 is an apocalyptic number.

It is an amenable number.

39441391216 is a deficient number, since it is larger than the sum of its proper divisors (37075186856).

39441391216 is a wasteful number, since it uses less digits than its factorization.

39441391216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3189768 (or 3189762 counting only the distinct ones).

The product of its digits is 139968, while the sum is 43.

The spelling of 39441391216 in words is "thirty-nine billion, four hundred forty-one million, three hundred ninety-one thousand, two hundred sixteen".