1040442407 has 2 divisors, whose sum is σ = 1040442408. Its totient is φ = 1040442406.

The previous prime is 1040442401. The next prime is 1040442497. The reversal of 1040442407 is 7042440401.

1040442407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (7042440401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1040442407 - 2⁴ = 1040442391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1040442401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520221203 + 520221204.

It is an arithmetic number, because the mean of its divisors is an integer number (520221204).

Almost surely, 2^1040442407 is an apocalyptic number.

1040442407 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040442407 is an equidigital number, since it uses as much as digits as its factorization.

1040442407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3584, while the sum is 26.

The square root of 1040442407 is about 32255.8894932383. The cubic root of 1040442407 is about 1013.3030465349.

Adding to 1040442407 its reverse (7042440401), we get a palindrome (8082882808).

The spelling of 1040442407 in words is "one billion, forty million, four hundred forty-two thousand, four hundred seven".