4409543616 has 56 divisors (see below), whose sum is σ = 11776008960. Its totient is φ = 1456104192.

The previous prime is 4409543603. The next prime is 4409543639. The reversal of 4409543616 is 6163459044.

It is a happy number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 86776 + ... + 127863.

Almost surely, 2^4409543616 is an apocalyptic number.

It is an amenable number.

4409543616 is an abundant number, since it is smaller than the sum of its proper divisors (7366465344).

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

4409543616 is a wasteful number, since it uses less digits than its factorization.

4409543616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214761 (or 214751 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The square root of 4409543616 is about 66404.3945533727. The cubic root of 4409543616 is about 1639.8264262066.

The spelling of 4409543616 in words is "four billion, four hundred nine million, five hundred forty-three thousand, six hundred sixteen".