4432880561 has 4 divisors (see below), whose sum is σ = 4473549300. Its totient is φ = 4392211824.

The previous prime is 4432880537. The next prime is 4432880567. The reversal of 4432880561 is 1650882344.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4047504400 + 385376161 = 63620^2 + 19631^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4432880561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4432880567) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 20334206 + ... + 20334423.

It is an arithmetic number, because the mean of its divisors is an integer number (1118387325).

Almost surely, 2^4432880561 is an apocalyptic number.

It is an amenable number.

4432880561 is a deficient number, since it is larger than the sum of its proper divisors (40668739).

4432880561 is a wasteful number, since it uses less digits than its factorization.

4432880561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40668738.

The product of its (nonzero) digits is 184320, while the sum is 41.

The square root of 4432880561 is about 66579.8810527625. The cubic root of 4432880561 is about 1642.7141949339.

The spelling of 4432880561 in words is "four billion, four hundred thirty-two million, eight hundred eighty thousand, five hundred sixty-one".