404221224433153 has 4 divisors (see below), whose sum is σ = 404261960231088. Its totient is φ = 404180488635220.

The previous prime is 404221224433139. The next prime is 404221224433177. The reversal of 404221224433153 is 351334422122404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-404221224433153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404221224433193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20367884083 + ... + 20367903928.

It is an arithmetic number, because the mean of its divisors is an integer number (101065490057772).

Almost surely, 2^{404221224433153} is an apocalyptic number.

It is an amenable number.

404221224433153 is a deficient number, since it is larger than the sum of its proper divisors (40735797935).

404221224433153 is an equidigital number, since it uses as much as digits as its factorization.

404221224433153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40735797934.

The product of its (nonzero) digits is 552960, while the sum is 40.

Adding to 404221224433153 its reverse (351334422122404), we get a palindrome (755555646555557).

The spelling of 404221224433153 in words is "four hundred four trillion, two hundred twenty-one billion, two hundred twenty-four million, four hundred thirty-three thousand, one hundred fifty-three".