404441653243 has 4 divisors (see below), whose sum is σ = 404450364240. Its totient is φ = 404432942248.

The previous prime is 404441653237. The next prime is 404441653289. The reversal of 404441653243 is 342356144404.

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

It is a cyclic number.

It is not a de Polignac number, because 404441653243 - 2⁹ = 404441652731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 404441653196 and 404441653205.

It is not an unprimeable number, because it can be changed into a prime (404441153243) 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, 4285480 + ... + 4378837.

It is an arithmetic number, because the mean of its divisors is an integer number (101112591060).

Almost surely, 2^404441653243 is an apocalyptic number.

404441653243 is a deficient number, since it is larger than the sum of its proper divisors (8710997).

404441653243 is an equidigital number, since it uses as much as digits as its factorization.

404441653243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8710996.

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

Adding to 404441653243 its reverse (342356144404), we get a palindrome (746797797647).

The spelling of 404441653243 in words is "four hundred four billion, four hundred forty-one million, six hundred fifty-three thousand, two hundred forty-three".