404453243422 has 4 divisors (see below), whose sum is σ = 606679865136. Its totient is φ = 202226621710.

The previous prime is 404453243399. The next prime is 404453243429. The reversal of 404453243422 is 224342354404.

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

It is a super-2 number, since 2×404453243422² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404453243429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101113310854 + ... + 101113310857.

It is an arithmetic number, because the mean of its divisors is an integer number (151669966284).

Almost surely, 2^404453243422 is an apocalyptic number.

404453243422 is a deficient number, since it is larger than the sum of its proper divisors (202226621714).

404453243422 is a wasteful number, since it uses less digits than its factorization.

404453243422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202226621713.

The product of its (nonzero) digits is 368640, while the sum is 37.

Adding to 404453243422 its reverse (224342354404), we get a palindrome (628795597826).

The spelling of 404453243422 in words is "four hundred four billion, four hundred fifty-three million, two hundred forty-three thousand, four hundred twenty-two".