3994683739200 has 2520 divisors, whose sum is σ = 18644526868352. Its totient is φ = 821145600000.

The previous prime is 3994683739159. The next prime is 3994683739219. The reversal of 3994683739200 is 29373864993.

3994683739200 is a `hidden beast` number, since 3 + 99 + 468 + 37 + 39 + 20 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (2520).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 359 ways as a sum of consecutive naturals, for example, 16575451080 + ... + 16575451320.

Almost surely, 2^{3994683739200} is an apocalyptic number.

3994683739200 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 3994683739200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9322263434176).

3994683739200 is an abundant number, since it is smaller than the sum of its proper divisors (14649843129152).

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

3994683739200 is a wasteful number, since it uses less digits than its factorization.

3994683739200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455 (or 420 counting only the distinct ones).

The product of its (nonzero) digits is 52907904, while the sum is 63.

The spelling of 3994683739200 in words is "three trillion, nine hundred ninety-four billion, six hundred eighty-three million, seven hundred thirty-nine thousand, two hundred".