4404440684045 has 4 divisors (see below), whose sum is σ = 5285328820860. Its totient is φ = 3523552547232.

The previous prime is 4404440684027. The next prime is 4404440684047. The reversal of 4404440684045 is 5404860444044.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3464553091561 + 939887592484 = 1861331^2 + 969478^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4404440684045 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4404440684047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440444068400 + ... + 440444068409.

It is an arithmetic number, because the mean of its divisors is an integer number (1321332205215).

Almost surely, 2^{4404440684045} is an apocalyptic number.

It is an amenable number.

4404440684045 is a deficient number, since it is larger than the sum of its proper divisors (880888136815).

4404440684045 is an equidigital number, since it uses as much as digits as its factorization.

4404440684045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880888136814.

The product of its (nonzero) digits is 3932160, while the sum is 47.

The spelling of 4404440684045 in words is "four trillion, four hundred four billion, four hundred forty million, six hundred eighty-four thousand, forty-five".