3843987840000 has 3080 divisors, whose sum is σ = 18116905834368. Its totient is φ = 791285760000.

The previous prime is 3843987839999. The next prime is 3843987840037. The reversal of 3843987840000 is 487893483.

3843987840000 is a `hidden beast` number, since 3 + 84 + 3 + 98 + 78 + 400 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (3080).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 279 ways as a sum of consecutive naturals, for example, 35925119947 + ... + 35925120053.

Almost surely, 2^{3843987840000} is an apocalyptic number.

3843987840000 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 3843987840000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9058452917184).

3843987840000 is an abundant number, since it is smaller than the sum of its proper divisors (14272917994368).

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

3843987840000 is an equidigital number, since it uses as much as digits as its factorization.

3843987840000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The spelling of 3843987840000 in words is "three trillion, eight hundred forty-three billion, nine hundred eighty-seven million, eight hundred forty thousand".