1040432441 has 4 divisors (see below), whose sum is σ = 1065808884. Its totient is φ = 1015056000.

The previous prime is 1040432413. The next prime is 1040432443. The reversal of 1040432441 is 1442340401.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 101929216 + 938503225 = 10096^2 + 30635^2 .

It is a cyclic number.

It is not a de Polignac number, because 1040432441 - 2¹⁰ = 1040431417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1040432443) 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 in 3 ways as a sum of consecutive naturals, for example, 12688160 + ... + 12688241.

It is an arithmetic number, because the mean of its divisors is an integer number (266452221).

Almost surely, 2^1040432441 is an apocalyptic number.

It is an amenable number.

1040432441 is a deficient number, since it is larger than the sum of its proper divisors (25376443).

1040432441 is an equidigital number, since it uses as much as digits as its factorization.

1040432441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25376442.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1040432441 is about 32255.7350094522. The cubic root of 1040432441 is about 1013.2998111771.

Adding to 1040432441 its reverse (1442340401), we get a palindrome (2482772842).

The spelling of 1040432441 in words is "one billion, forty million, four hundred thirty-two thousand, four hundred forty-one".