44040709 has 2 divisors, whose sum is σ = 44040710. Its totient is φ = 44040708.

The previous prime is 44040707. The next prime is 44040749. The reversal of 44040709 is 90704044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33005025 + 11035684 = 5745^2 + 3322^2 .

It is a cyclic number.

It is not a de Polignac number, because 44040709 - 2¹ = 44040707 is a prime.

Together with 44040707, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44040701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22020354 + 22020355.

It is an arithmetic number, because the mean of its divisors is an integer number (22020355).

Almost surely, 2^44040709 is an apocalyptic number.

It is an amenable number.

44040709 is a deficient number, since it is larger than the sum of its proper divisors (1).

44040709 is an equidigital number, since it uses as much as digits as its factorization.

44040709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 44040709 is about 6636.3174276100. The cubic root of 44040709 is about 353.1436764497.

The spelling of 44040709 in words is "forty-four million, forty thousand, seven hundred nine".