4404080171645 has 64 divisors (see below), whose sum is σ = 6909540503040. Its totient is φ = 2614419763200.

The previous prime is 4404080171609. The next prime is 4404080171669. The reversal of 4404080171645 is 5461710804044.

It is not a de Polignac number, because 4404080171645 - 2³⁸ = 4129202264701 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4404080171596 and 4404080171605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1886696 + ... + 3516785.

It is an arithmetic number, because the mean of its divisors is an integer number (107961570360).

Almost surely, 2^{4404080171645} is an apocalyptic number.

It is an amenable number.

4404080171645 is a deficient number, since it is larger than the sum of its proper divisors (2505460331395).

4404080171645 is a wasteful number, since it uses less digits than its factorization.

4404080171645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5403606.

The product of its (nonzero) digits is 430080, while the sum is 44.

Adding to 4404080171645 its reverse (5461710804044), we get a palindrome (9865790975689).

The spelling of 4404080171645 in words is "four trillion, four hundred four billion, eighty million, one hundred seventy-one thousand, six hundred forty-five".