440073406741 has 4 divisors (see below), whose sum is σ = 444345964192. Its totient is φ = 435800849292.

The previous prime is 440073406727. The next prime is 440073406781. The reversal of 440073406741 is 147604370044.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-440073406741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 440073406694 and 440073406703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440073406781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2136278571 + ... + 2136278776.

It is an arithmetic number, because the mean of its divisors is an integer number (111086491048).

Almost surely, 2^440073406741 is an apocalyptic number.

It is an amenable number.

440073406741 is a deficient number, since it is larger than the sum of its proper divisors (4272557451).

440073406741 is a wasteful number, since it uses less digits than its factorization.

440073406741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4272557450.

The product of its (nonzero) digits is 225792, while the sum is 40.

Adding to 440073406741 its reverse (147604370044), we get a palindrome (587677776785).

The spelling of 440073406741 in words is "four hundred forty billion, seventy-three million, four hundred six thousand, seven hundred forty-one".