3994081139080 has 16 divisors (see below), whose sum is σ = 8986682563020. Its totient is φ = 1597632455616.

The previous prime is 3994081139063. The next prime is 3994081139119. The reversal of 3994081139080 is 809311804993.

It can be written as a sum of positive squares in 2 ways, for example, as 3667064141764 + 327016997316 = 1914958^2 + 571854^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49926014199 + ... + 49926014278.

Almost surely, 2^{3994081139080} is an apocalyptic number.

It is an amenable number.

3994081139080 is an abundant number, since it is smaller than the sum of its proper divisors (4992601423940).

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

3994081139080 is a wasteful number, since it uses less digits than its factorization.

3994081139080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99852028488 (or 99852028484 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 55.

The spelling of 3994081139080 in words is "three trillion, nine hundred ninety-four billion, eighty-one million, one hundred thirty-nine thousand, eighty".