1040441405 has 8 divisors (see below), whose sum is σ = 1248715872. Its totient is φ = 832229008.

The previous prime is 1040441401. The next prime is 1040441489. The reversal of 1040441405 is 5041440401.

It is a happy number.

1040441405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1040441405 - 2² = 1040441401 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040441401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38402 + ... + 59628.

It is an arithmetic number, because the mean of its divisors is an integer number (156089484).

Almost surely, 2^1040441405 is an apocalyptic number.

It is an amenable number.

1040441405 is a deficient number, since it is larger than the sum of its proper divisors (208274467).

1040441405 is an equidigital number, since it uses as much as digits as its factorization.

1040441405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31035.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 1040441405 is about 32255.8739611873. The cubic root of 1040441405 is about 1013.3027212470.

Adding to 1040441405 its reverse (5041440401), we get a palindrome (6081881806).

The spelling of 1040441405 in words is "one billion, forty million, four hundred forty-one thousand, four hundred five".