4444432641 has 12 divisors (see below), whose sum is σ = 7003348560. Its totient is φ = 2693595480.

The previous prime is 4444432631. The next prime is 4444432673. The reversal of 4444432641 is 1462344444.

4444432641 is a `hidden beast` number, since 4 + 4 + 4 + 4 + 4 + 3 + 2 + 641 = 666.

4444432641 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4444432641 - 2⁹ = 4444432129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4444432596 and 4444432605.

It is not an unprimeable number, because it can be changed into a prime (4444432631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22446531 + ... + 22446728.

It is an arithmetic number, because the mean of its divisors is an integer number (583612380).

Almost surely, 2^4444432641 is an apocalyptic number.

It is an amenable number.

4444432641 is a deficient number, since it is larger than the sum of its proper divisors (2558915919).

4444432641 is a wasteful number, since it uses less digits than its factorization.

4444432641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44893276 (or 44893273 counting only the distinct ones).

The product of its digits is 147456, while the sum is 36.

The square root of 4444432641 is about 66666.5781407746. The cubic root of 4444432641 is about 1644.1399273958.

The spelling of 4444432641 in words is "four billion, four hundred forty-four million, four hundred thirty-two thousand, six hundred forty-one".