4138663712 has 48 divisors (see below), whose sum is σ = 8383213440. Its totient is φ = 2009795328.

The previous prime is 4138663709. The next prime is 4138663729. The reversal of 4138663712 is 2173668314.

It is a self number, because there is not a number n which added to its sum of digits gives 4138663712.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 730073 + ... + 735719.

It is an arithmetic number, because the mean of its divisors is an integer number (174650280).

Almost surely, 2^4138663712 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 4138663712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4191606720).

4138663712 is an abundant number, since it is smaller than the sum of its proper divisors (4244549728).

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

4138663712 is a wasteful number, since it uses less digits than its factorization.

4138663712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6313 (or 6305 counting only the distinct ones).

The product of its digits is 145152, while the sum is 41.

The square root of 4138663712 is about 64332.4468056361. The cubic root of 4138663712 is about 1605.5359942218.

The spelling of 4138663712 in words is "four billion, one hundred thirty-eight million, six hundred sixty-three thousand, seven hundred twelve".