44320663 has 4 divisors (see below), whose sum is σ = 44390448. Its totient is φ = 44250880.

The previous prime is 44320657. The next prime is 44320699. The reversal of 44320663 is 36602344.

44320663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44320663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44320643) 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, 33931 + ... + 35212.

It is an arithmetic number, because the mean of its divisors is an integer number (11097612).

Almost surely, 2^44320663 is an apocalyptic number.

44320663 is a deficient number, since it is larger than the sum of its proper divisors (69785).

44320663 is an equidigital number, since it uses as much as digits as its factorization.

44320663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69784.

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 44320663 is about 6657.3765854126. The cubic root of 44320663 is about 353.8903737706.

The spelling of 44320663 in words is "forty-four million, three hundred twenty thousand, six hundred sixty-three".