4081816704 has 64 divisors (see below), whose sum is σ = 12391237440. Its totient is φ = 1166232576.

The previous prime is 4081816699. The next prime is 4081816723. The reversal of 4081816704 is 4076181804.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×4081816704² = 33322455210106847232, which contains 22 as substring.

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, 756579 + ... + 761954.

It is an arithmetic number, because the mean of its divisors is an integer number (193613085).

Almost surely, 2^4081816704 is an apocalyptic number.

It is an amenable number.

4081816704 is an abundant number, since it is smaller than the sum of its proper divisors (8309420736).

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

4081816704 is a wasteful number, since it uses less digits than its factorization.

4081816704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1518557 (or 1518545 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 39.

The square root of 4081816704 is about 63889.0969101927. The cubic root of 4081816704 is about 1598.1510809261.

The spelling of 4081816704 in words is "four billion, eighty-one million, eight hundred sixteen thousand, seven hundred four".