44400709 has 2 divisors, whose sum is σ = 44400710. Its totient is φ = 44400708.

The previous prime is 44400679. The next prime is 44400721. The reversal of 44400709 is 90700444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40360609 + 4040100 = 6353^2 + 2010^2 .

It is a cyclic number.

It is not a de Polignac number, because 44400709 - 2⁵ = 44400677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44400779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22200354 + 22200355.

It is an arithmetic number, because the mean of its divisors is an integer number (22200355).

Almost surely, 2^44400709 is an apocalyptic number.

It is an amenable number.

44400709 is a deficient number, since it is larger than the sum of its proper divisors (1).

44400709 is an equidigital number, since it uses as much as digits as its factorization.

44400709 is an odious number, because the sum of its binary digits is odd.

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

The square root of 44400709 is about 6663.3857009781. The cubic root of 44400709 is about 354.1032953159.

The spelling of 44400709 in words is "forty-four million, four hundred thousand, seven hundred nine".