4444389862405 has 8 divisors (see below), whose sum is σ = 5333490133632. Its totient is φ = 3555363690768.

The previous prime is 4444389862391. The next prime is 4444389862421. The reversal of 4444389862405 is 5042689834444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4444389862405 - 2¹¹ = 4444389860357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18392857 + ... + 18632926.

It is an arithmetic number, because the mean of its divisors is an integer number (666686266704).

Almost surely, 2^{4444389862405} is an apocalyptic number.

It is an amenable number.

4444389862405 is a deficient number, since it is larger than the sum of its proper divisors (889100271227).

4444389862405 is a wasteful number, since it uses less digits than its factorization.

4444389862405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37049795.

The product of its (nonzero) digits is 106168320, while the sum is 61.

The spelling of 4444389862405 in words is "four trillion, four hundred forty-four billion, three hundred eighty-nine million, eight hundred sixty-two thousand, four hundred five".