1404220453321 has 8 divisors (see below), whose sum is σ = 1607366681984. Its totient is φ = 1201710051360.

The previous prime is 1404220453303. The next prime is 1404220453379. The reversal of 1404220453321 is 1233540224041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1404220453321 - 2¹⁹ = 1404219929033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1404220453021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158951940 + ... + 158960773.

It is an arithmetic number, because the mean of its divisors is an integer number (200920835248).

Almost surely, 2^{1404220453321} is an apocalyptic number.

It is an amenable number.

1404220453321 is a deficient number, since it is larger than the sum of its proper divisors (203146228663).

1404220453321 is an equidigital number, since it uses as much as digits as its factorization.

1404220453321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317913351.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 1404220453321 its reverse (1233540224041), we get a palindrome (2637760677362).

The spelling of 1404220453321 in words is "one trillion, four hundred four billion, two hundred twenty million, four hundred fifty-three thousand, three hundred twenty-one".