404453020321 has 8 divisors (see below), whose sum is σ = 482329067904. Its totient is φ = 331601233920.

The previous prime is 404453020319. The next prime is 404453020337. The reversal of 404453020321 is 123020354404.

It is a happy number.

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 404453020321 - 2¹ = 404453020319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 404453020321.

It is not an unprimeable number, because it can be changed into a prime (404453020921) 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 7 ways as a sum of consecutive naturals, for example, 1256065120 + ... + 1256065441.

It is an arithmetic number, because the mean of its divisors is an integer number (60291133488).

Almost surely, 2^404453020321 is an apocalyptic number.

It is an amenable number.

404453020321 is a deficient number, since it is larger than the sum of its proper divisors (77876047583).

404453020321 is a wasteful number, since it uses less digits than its factorization.

404453020321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2512130591.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 404453020321 its reverse (123020354404), we get a palindrome (527473374725).

The spelling of 404453020321 in words is "four hundred four billion, four hundred fifty-three million, twenty thousand, three hundred twenty-one".