3982181440236 has 24 divisors (see below), whose sum is σ = 9292016529600. Its totient is φ = 1327356694032.

The previous prime is 3982181440219. The next prime is 3982181440271. The reversal of 3982181440236 is 6320441812893.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4191186 + ... + 5052761.

It is an arithmetic number, because the mean of its divisors is an integer number (387167355400).

Almost surely, 2^{3982181440236} is an apocalyptic number.

It is an amenable number.

3982181440236 is an abundant number, since it is smaller than the sum of its proper divisors (5309835089364).

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

3982181440236 is a wasteful number, since it uses less digits than its factorization.

3982181440236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9279853 (or 9279851 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 51.

The spelling of 3982181440236 in words is "three trillion, nine hundred eighty-two billion, one hundred eighty-one million, four hundred forty thousand, two hundred thirty-six".