404040743441 has 16 divisors (see below), whose sum is σ = 429321647040. Its totient is φ = 379518955200.

The previous prime is 404040743411. The next prime is 404040743443. The reversal of 404040743441 is 144347040404.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-404040743441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404040743443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11642966 + ... + 11677616.

It is an arithmetic number, because the mean of its divisors is an integer number (26832602940).

Almost surely, 2^404040743441 is an apocalyptic number.

It is an amenable number.

404040743441 is a deficient number, since it is larger than the sum of its proper divisors (25280903599).

404040743441 is a wasteful number, since it uses less digits than its factorization.

404040743441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45584.

The product of its (nonzero) digits is 86016, while the sum is 35.

Adding to 404040743441 its reverse (144347040404), we get a palindrome (548387783845).

The spelling of 404040743441 in words is "four hundred four billion, forty million, seven hundred forty-three thousand, four hundred forty-one".