404300133221 has 4 divisors (see below), whose sum is σ = 404405068332. Its totient is φ = 404195198112.

The previous prime is 404300133179. The next prime is 404300133233. The reversal of 404300133221 is 122331003404.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 342517562500 + 61782570721 = 585250^2 + 248561^2 .

It is a cyclic number.

It is not a de Polignac number, because 404300133221 - 2¹⁴ = 404300116837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404300133241) 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 3 ways as a sum of consecutive naturals, for example, 52461776 + ... + 52469481.

It is an arithmetic number, because the mean of its divisors is an integer number (101101267083).

Almost surely, 2^404300133221 is an apocalyptic number.

It is an amenable number.

404300133221 is a deficient number, since it is larger than the sum of its proper divisors (104935111).

404300133221 is a wasteful number, since it uses less digits than its factorization.

404300133221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104935110.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 404300133221 its reverse (122331003404), we get a palindrome (526631136625).

The spelling of 404300133221 in words is "four hundred four billion, three hundred million, one hundred thirty-three thousand, two hundred twenty-one".