3987462720000 has 200 divisors, whose sum is σ = 13274316434016. Its totient is φ = 1063323136000.

The previous prime is 3987462719983. The next prime is 3987462720029. The reversal of 3987462720000 is 272647893.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1116804 + ... + 3036803.

Almost surely, 2^{3987462720000} is an apocalyptic number.

3987462720000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3987462720000 is an abundant number, since it is smaller than the sum of its proper divisors (9286853714016).

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

3987462720000 is an frugal number, since it uses more digits than its factorization.

3987462720000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4153648 (or 4153617 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 48.

The spelling of 3987462720000 in words is "three trillion, nine hundred eighty-seven billion, four hundred sixty-two million, seven hundred twenty thousand".