38364816686812 has 144 divisors (see below), whose sum is σ = 85414286444256. Its totient is φ = 14909723136000.

The previous prime is 38364816686803. The next prime is 38364816686849. The reversal of 38364816686812 is 21868661846383.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4151582512 + ... + 4151591752.

It is an arithmetic number, because the mean of its divisors is an integer number (593154766974).

Almost surely, 2^{38364816686812} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38364816686812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42707143222128).

38364816686812 is an abundant number, since it is smaller than the sum of its proper divisors (47049469757444).

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

38364816686812 is a wasteful number, since it uses less digits than its factorization.

38364816686812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13908 (or 13899 counting only the distinct ones).

The product of its digits is 382205952, while the sum is 70.

The spelling of 38364816686812 in words is "thirty-eight trillion, three hundred sixty-four billion, eight hundred sixteen million, six hundred eighty-six thousand, eight hundred twelve".