440012269 has 2 divisors, whose sum is σ = 440012270. Its totient is φ = 440012268.

The previous prime is 440012213. The next prime is 440012281. The reversal of 440012269 is 962210044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 358344900 + 81667369 = 18930^2 + 9037^2 .

It is a cyclic number.

It is not a de Polignac number, because 440012269 - 2⁹ = 440011757 is a prime.

It is a super-2 number, since 2×440012269² = 387221593741056722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440012669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220006134 + 220006135.

It is an arithmetic number, because the mean of its divisors is an integer number (220006135).

Almost surely, 2^440012269 is an apocalyptic number.

It is an amenable number.

440012269 is a deficient number, since it is larger than the sum of its proper divisors (1).

440012269 is an equidigital number, since it uses as much as digits as its factorization.

440012269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 440012269 is about 20976.4694121771. The cubic root of 440012269 is about 760.5975615447.

The spelling of 440012269 in words is "four hundred forty million, twelve thousand, two hundred sixty-nine".