4040007427 has 2 divisors, whose sum is σ = 4040007428. Its totient is φ = 4040007426.

The previous prime is 4040007421. The next prime is 4040007437. The reversal of 4040007427 is 7247000404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4040007427 - 2⁷ = 4040007299 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4040007395 and 4040007404.

It is not a weakly prime, because it can be changed into another prime (4040007421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2020003713 + 2020003714.

It is an arithmetic number, because the mean of its divisors is an integer number (2020003714).

Almost surely, 2^4040007427 is an apocalyptic number.

4040007427 is a deficient number, since it is larger than the sum of its proper divisors (1).

4040007427 is an equidigital number, since it uses as much as digits as its factorization.

4040007427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6272, while the sum is 28.

The square root of 4040007427 is about 63561.0527524521. The cubic root of 4040007427 is about 1592.6758243305.

The spelling of 4040007427 in words is "four billion, forty million, seven thousand, four hundred twenty-seven".