44680309 has 4 divisors (see below), whose sum is σ = 44786860. Its totient is φ = 44573760.

The previous prime is 44680297. The next prime is 44680319. The reversal of 44680309 is 90308644.

44680309 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 can be written as a sum of positive squares in 2 ways, for example, as 7409284 + 37271025 = 2722^2 + 6105^2 .

It is a cyclic number.

It is not a de Polignac number, because 44680309 - 2¹⁵ = 44647541 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 (44680319) 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, 52644 + ... + 53485.

It is an arithmetic number, because the mean of its divisors is an integer number (11196715).

Almost surely, 2^44680309 is an apocalyptic number.

It is an amenable number.

44680309 is a deficient number, since it is larger than the sum of its proper divisors (106551).

44680309 is a wasteful number, since it uses less digits than its factorization.

44680309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106550.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 44680309 is about 6684.3331006167. Note that the first 3 decimals coincide. The cubic root of 44680309 is about 354.8450265843.

The spelling of 44680309 in words is "forty-four million, six hundred eighty thousand, three hundred nine".