4391645268336 has 80 divisors (see below), whose sum is σ = 12136281290784. Its totient is φ = 1363567214592.

The previous prime is 4391645268289. The next prime is 4391645268371. The reversal of 4391645268336 is 6338625461934.

It is a self number, because there is not a number n which added to its sum of digits gives 4391645268336.

It is a congruent number.

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, 27662695 + ... + 27820998.

Almost surely, 2^{4391645268336} is an apocalyptic number.

It is an amenable number.

4391645268336 is an abundant number, since it is smaller than the sum of its proper divisors (7744636022448).

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

4391645268336 is a wasteful number, since it uses less digits than its factorization.

4391645268336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55483818 (or 55483812 counting only the distinct ones).

The product of its digits is 67184640, while the sum is 60.

The spelling of 4391645268336 in words is "four trillion, three hundred ninety-one billion, six hundred forty-five million, two hundred sixty-eight thousand, three hundred thirty-six".