404023311030432 has 192 divisors, whose sum is σ = 1094159908283904. Its totient is φ = 130474791152640.

The previous prime is 404023311030431. The next prime is 404023311030433. The reversal of 404023311030432 is 234030113320404.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (404023311030431) and next prime (404023311030433).

It is a self number, because there is not a number n which added to its sum of digits gives 404023311030432.

It is not an unprimeable number, because it can be changed into a prime (404023311030431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3783396943 + ... + 3783503729.

It is an arithmetic number, because the mean of its divisors is an integer number (5698749522312).

Almost surely, 2^{404023311030432} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 404023311030432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (547079954141952).

404023311030432 is an abundant number, since it is smaller than the sum of its proper divisors (690136597253472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404023311030432 is a wasteful number, since it uses less digits than its factorization.

404023311030432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116571 (or 116563 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 404023311030432 its reverse (234030113320404), we get a palindrome (638053424350836).

The spelling of 404023311030432 in words is "four hundred four trillion, twenty-three billion, three hundred eleven million, thirty thousand, four hundred thirty-two".