404022321243 has 24 divisors (see below), whose sum is σ = 614430582480. Its totient is φ = 255118973760.

The previous prime is 404022321239. The next prime is 404022321253. The reversal of 404022321243 is 342123220404.

404022321243 is a `hidden beast` number, since 4 + 0 + 402 + 2 + 3 + 212 + 43 = 666.

It is not a de Polignac number, because 404022321243 - 2² = 404022321239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (404022321223) 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 23 ways as a sum of consecutive naturals, for example, 588205 + ... + 1074257.

It is an arithmetic number, because the mean of its divisors is an integer number (25601274270).

Almost surely, 2^404022321243 is an apocalyptic number.

404022321243 is a deficient number, since it is larger than the sum of its proper divisors (210408261237).

404022321243 is a wasteful number, since it uses less digits than its factorization.

404022321243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490939 (or 490936 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 404022321243 its reverse (342123220404), we get a palindrome (746145541647).

The spelling of 404022321243 in words is "four hundred four billion, twenty-two million, three hundred twenty-one thousand, two hundred forty-three".