2048440309 has 2 divisors, whose sum is σ = 2048440310. Its totient is φ = 2048440308.

The previous prime is 2048440267. The next prime is 2048440327. The reversal of 2048440309 is 9030448402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1513443409 + 534996900 = 38903^2 + 23130^2 .

It is a cyclic number.

It is not a de Polignac number, because 2048440309 - 2⁷ = 2048440181 is a prime.

It is a super-2 number, since 2×2048440309² = 8392215399072030962, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2048441309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1024220154 + 1024220155.

It is an arithmetic number, because the mean of its divisors is an integer number (1024220155).

Almost surely, 2^2048440309 is an apocalyptic number.

It is an amenable number.

2048440309 is a deficient number, since it is larger than the sum of its proper divisors (1).

2048440309 is an equidigital number, since it uses as much as digits as its factorization.

2048440309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 2048440309 is about 45259.6985076127. The cubic root of 2048440309 is about 1270.0118437732.

The spelling of 2048440309 in words is "two billion, forty-eight million, four hundred forty thousand, three hundred nine".