4004432446065 has 16 divisors (see below), whose sum is σ = 6556094052288. Its totient is φ = 2086029925056.

The previous prime is 4004432445953. The next prime is 4004432446087. The reversal of 4004432446065 is 5606442344004.

It is a happy number.

It is not a de Polignac number, because 4004432446065 - 2¹¹ = 4004432444017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3104210554 + ... + 3104211843.

It is an arithmetic number, because the mean of its divisors is an integer number (409755878268).

Almost surely, 2^{4004432446065} is an apocalyptic number.

It is an amenable number.

4004432446065 is a deficient number, since it is larger than the sum of its proper divisors (2551661606223).

4004432446065 is a wasteful number, since it uses less digits than its factorization.

4004432446065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6208422448.

The product of its (nonzero) digits is 1105920, while the sum is 42.

The spelling of 4004432446065 in words is "four trillion, four billion, four hundred thirty-two million, four hundred forty-six thousand, sixty-five".