3984503975980 has 96 divisors (see below), whose sum is σ = 9329954844672. Its totient is φ = 1416926150400.

The previous prime is 3984503975929. The next prime is 3984503975981. The reversal of 3984503975980 is 895793054893.

It is not an unprimeable number, because it can be changed into a prime (3984503975981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12572022 + ... + 12885058.

It is an arithmetic number, because the mean of its divisors is an integer number (97187029632).

Almost surely, 2^{3984503975980} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3984503975980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4664977422336).

3984503975980 is an abundant number, since it is smaller than the sum of its proper divisors (5345450868692).

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

3984503975980 is a wasteful number, since it uses less digits than its factorization.

3984503975980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314335 (or 314333 counting only the distinct ones).

The product of its (nonzero) digits is 293932800, while the sum is 70.

The spelling of 3984503975980 in words is "three trillion, nine hundred eighty-four billion, five hundred three million, nine hundred seventy-five thousand, nine hundred eighty".