4405644280918 has 16 divisors (see below), whose sum is σ = 6668562940416. Its totient is φ = 2182799409280.

The previous prime is 4405644280909. The next prime is 4405644280987. The reversal of 4405644280918 is 8190824465044.

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, 1424278 + ... + 3292393.

It is an arithmetic number, because the mean of its divisors is an integer number (416785183776).

Almost surely, 2^{4405644280918} is an apocalyptic number.

4405644280918 is a deficient number, since it is larger than the sum of its proper divisors (2262918659498).

4405644280918 is a wasteful number, since it uses less digits than its factorization.

4405644280918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4720919.

The product of its (nonzero) digits is 8847360, while the sum is 55.

The spelling of 4405644280918 in words is "four trillion, four hundred five billion, six hundred forty-four million, two hundred eighty thousand, nine hundred eighteen".