440342027 has 2 divisors, whose sum is σ = 440342028. Its totient is φ = 440342026.

The previous prime is 440341997. The next prime is 440342029. The reversal of 440342027 is 720243044.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 440342027 - 2¹⁸ = 440079883 is a prime.

It is a super-2 number, since 2×440342027² = 387802201484937458, which contains 22 as substring.

Together with 440342029, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 440341987 and 440342005.

It is not a weakly prime, because it can be changed into another prime (440342029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220171013 + 220171014.

It is an arithmetic number, because the mean of its divisors is an integer number (220171014).

Almost surely, 2^440342027 is an apocalyptic number.

440342027 is a deficient number, since it is larger than the sum of its proper divisors (1).

440342027 is an equidigital number, since it uses as much as digits as its factorization.

440342027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 26.

The square root of 440342027 is about 20984.3281283914. The cubic root of 440342027 is about 760.7875187489.

The spelling of 440342027 in words is "four hundred forty million, three hundred forty-two thousand, twenty-seven".