44270309 has 2 divisors, whose sum is σ = 44270310. Its totient is φ = 44270308.

The previous prime is 44270299. The next prime is 44270333. The reversal of 44270309 is 90307244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34845409 + 9424900 = 5903^2 + 3070^2 .

It is a cyclic number.

It is not a de Polignac number, because 44270309 - 2¹² = 44266213 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44270909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22135154 + 22135155.

It is an arithmetic number, because the mean of its divisors is an integer number (22135155).

Almost surely, 2^44270309 is an apocalyptic number.

It is an amenable number.

44270309 is a deficient number, since it is larger than the sum of its proper divisors (1).

44270309 is an equidigital number, since it uses as much as digits as its factorization.

44270309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 44270309 is about 6653.5936906307. The cubic root of 44270309 is about 353.7563012525.

The spelling of 44270309 in words is "forty-four million, two hundred seventy thousand, three hundred nine".