1040404040227 has 2 divisors, whose sum is σ = 1040404040228. Its totient is φ = 1040404040226.

The previous prime is 1040404040189. The next prime is 1040404040287. The reversal of 1040404040227 is 7220404040401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1040404040227 - 2²³ = 1040395651619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1040404040195 and 1040404040204.

It is not a weakly prime, because it can be changed into another prime (1040404040287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520202020113 + 520202020114.

It is an arithmetic number, because the mean of its divisors is an integer number (520202020114).

Almost surely, 2^{1040404040227} is an apocalyptic number.

1040404040227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040404040227 is an equidigital number, since it uses as much as digits as its factorization.

1040404040227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7168, while the sum is 28.

Adding to 1040404040227 its reverse (7220404040401), we get a palindrome (8260808080628).

The spelling of 1040404040227 in words is "one trillion, forty billion, four hundred four million, forty thousand, two hundred twenty-seven".