4044185616 has 20 divisors (see below), whose sum is σ = 10447479632. Its totient is φ = 1348061856.

The previous prime is 4044185599. The next prime is 4044185623. The reversal of 4044185616 is 6165814404.

It is a super-2 number, since 2×4044185616² = 32710874593322598912, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42126886 + ... + 42126981.

Almost surely, 2^4044185616 is an apocalyptic number.

It is an amenable number.

4044185616 is an abundant number, since it is smaller than the sum of its proper divisors (6403294016).

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

4044185616 is a wasteful number, since it uses less digits than its factorization.

4044185616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84253878 (or 84253872 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 4044185616 is about 63593.9117840694. The cubic root of 4044185616 is about 1593.2246853588.

The spelling of 4044185616 in words is "four billion, forty-four million, one hundred eighty-five thousand, six hundred sixteen".