39886163895312 has 640 divisors, whose sum is σ = 134198450749440. Its totient is φ = 11108155968000.

The previous prime is 39886163895301. The next prime is 39886163895317. The reversal of 39886163895312 is 21359836168893.

39886163895312 is a `hidden beast` number, since 3 + 9 + 8 + 8 + 6 + 1 + 6 + 3 + 89 + 531 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (39886163895317) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7959718887 + ... + 7959723897.

It is an arithmetic number, because the mean of its divisors is an integer number (209685079296).

Almost surely, 2^{39886163895312} 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 39886163895312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67099225374720).

39886163895312 is an abundant number, since it is smaller than the sum of its proper divisors (94312286854128).

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

39886163895312 is a wasteful number, since it uses less digits than its factorization.

39886163895312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5520 (or 5508 counting only the distinct ones).

The product of its digits is 403107840, while the sum is 72.

The spelling of 39886163895312 in words is "thirty-nine trillion, eight hundred eighty-six billion, one hundred sixty-three million, eight hundred ninety-five thousand, three hundred twelve".