3983902513920 has 2304 divisors, whose sum is σ = 17842883788800. Its totient is φ = 821265039360.

The previous prime is 3983902513909. The next prime is 3983902513937. The reversal of 3983902513920 is 293152093893.

It is a happy number.

3983902513920 is a `hidden beast` number, since 3 + 9 + 8 + 39 + 0 + 2 + 513 + 92 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (2304).

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

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 10401834049 + ... + 10401834431.

It is an arithmetic number, because the mean of its divisors is an integer number (7744307200).

Almost surely, 2^{3983902513920} is an apocalyptic number.

3983902513920 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 3983902513920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8921441894400).

3983902513920 is an abundant number, since it is smaller than the sum of its proper divisors (13858981274880).

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

3983902513920 is a wasteful number, since it uses less digits than its factorization.

3983902513920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543 (or 523 counting only the distinct ones).

The product of its (nonzero) digits is 3149280, while the sum is 54.

The spelling of 3983902513920 in words is "three trillion, nine hundred eighty-three billion, nine hundred two million, five hundred thirteen thousand, nine hundred twenty".