404505340001 has 16 divisors (see below), whose sum is σ = 465075191808. Its totient is φ = 344637277200.

The previous prime is 404505339991. The next prime is 404505340037. The reversal of 404505340001 is 100043505404.

It is a cyclic number.

It is not a de Polignac number, because 404505340001 - 2¹⁸ = 404505077857 is a prime.

It is a super-2 number, since 2×404505340001² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (404505370001) 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 15 ways as a sum of consecutive naturals, for example, 570236 + ... + 1064978.

It is an arithmetic number, because the mean of its divisors is an integer number (29067199488).

Almost surely, 2^404505340001 is an apocalyptic number.

It is an amenable number.

404505340001 is a deficient number, since it is larger than the sum of its proper divisors (60569851807).

404505340001 is a wasteful number, since it uses less digits than its factorization.

404505340001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495452.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 404505340001 its reverse (100043505404), we get a palindrome (504548845405).

The spelling of 404505340001 in words is "four hundred four billion, five hundred five million, three hundred forty thousand, one".