3994871715600 has 480 divisors, whose sum is σ = 13107732480000. Its totient is φ = 1039799255040.

The previous prime is 3994871715563. The next prime is 3994871715617. The reversal of 3994871715600 is 65171784993.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5405780031 + ... + 5405780769.

It is an arithmetic number, because the mean of its divisors is an integer number (27307776000).

Almost surely, 2^{3994871715600} is an apocalyptic number.

3994871715600 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3994871715600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6553866240000).

3994871715600 is an abundant number, since it is smaller than the sum of its proper divisors (9112860764400).

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

3994871715600 is a wasteful number, since it uses less digits than its factorization.

3994871715600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415 (or 1404 counting only the distinct ones).

The product of its (nonzero) digits is 11430720, while the sum is 60.

The spelling of 3994871715600 in words is "three trillion, nine hundred ninety-four billion, eight hundred seventy-one million, seven hundred fifteen thousand, six hundred".