44768209 has 2 divisors, whose sum is σ = 44768210. Its totient is φ = 44768208.

The previous prime is 44768183. The next prime is 44768231. The reversal of 44768209 is 90286744.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28121809 + 16646400 = 5303^2 + 4080^2 .

It is a cyclic number.

It is not a de Polignac number, because 44768209 - 2¹⁹ = 44243921 is a prime.

It is not a weakly prime, because it can be changed into another prime (44768239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22384104 + 22384105.

It is an arithmetic number, because the mean of its divisors is an integer number (22384105).

Almost surely, 2^44768209 is an apocalyptic number.

It is an amenable number.

44768209 is a deficient number, since it is larger than the sum of its proper divisors (1).

44768209 is an equidigital number, since it uses as much as digits as its factorization.

44768209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 44768209 is about 6690.9049462685. The cubic root of 44768209 is about 355.0775708290.

The spelling of 44768209 in words is "forty-four million, seven hundred sixty-eight thousand, two hundred nine".