440413043041 has 4 divisors (see below), whose sum is σ = 440414581252. Its totient is φ = 440411504832.

The previous prime is 440413042957. The next prime is 440413043051. The reversal of 440413043041 is 140340314044.

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 418841952400 + 21571090641 = 647180^2 + 146871^2 .

It is a cyclic number.

It is not a de Polignac number, because 440413043041 - 2⁷ = 440413042913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440413043051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198540 + ... + 959293.

It is an arithmetic number, because the mean of its divisors is an integer number (110103645313).

Almost surely, 2^440413043041 is an apocalyptic number.

It is an amenable number.

440413043041 is a deficient number, since it is larger than the sum of its proper divisors (1538211).

440413043041 is a wasteful number, since it uses less digits than its factorization.

440413043041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538210.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 440413043041 its reverse (140340314044), we get a palindrome (580753357085).

The spelling of 440413043041 in words is "four hundred forty billion, four hundred thirteen million, forty-three thousand, forty-one".