440234044009 has 2 divisors, whose sum is σ = 440234044010. Its totient is φ = 440234044008.

The previous prime is 440234043971. The next prime is 440234044031. The reversal of 440234044009 is 900440432044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 343495627225 + 96738416784 = 586085^2 + 311028^2 .

It is a cyclic number.

It is not a de Polignac number, because 440234044009 - 2⁹ = 440234043497 is a prime.

It is not a weakly prime, because it can be changed into another prime (440234444009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220117022004 + 220117022005.

It is an arithmetic number, because the mean of its divisors is an integer number (220117022005).

Almost surely, 2^440234044009 is an apocalyptic number.

It is an amenable number.

440234044009 is a deficient number, since it is larger than the sum of its proper divisors (1).

440234044009 is an equidigital number, since it uses as much as digits as its factorization.

440234044009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 34.

The spelling of 440234044009 in words is "four hundred forty billion, two hundred thirty-four million, forty-four thousand, nine".