4404220644456 has 48 divisors (see below), whose sum is σ = 12369878976000. Its totient is φ = 1468073547504.

The previous prime is 4404220644449. The next prime is 4404220644511. The reversal of 4404220644456 is 6544460224044.

4404220644456 is a `hidden beast` number, since 440 + 42 + 20 + 64 + 44 + 56 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1132770856 + ... + 1132774743.

It is an arithmetic number, because the mean of its divisors is an integer number (257705812000).

Almost surely, 2^{4404220644456} is an apocalyptic number.

It is an amenable number.

4404220644456 is an abundant number, since it is smaller than the sum of its proper divisors (7965658331544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4404220644456 is a wasteful number, since it uses less digits than its factorization.

4404220644456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2265545620 (or 2265545604 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 45.

The spelling of 4404220644456 in words is "four trillion, four hundred four billion, two hundred twenty million, six hundred forty-four thousand, four hundred fifty-six".