404342221332 has 36 divisors (see below), whose sum is σ = 1097500316640. Its totient is φ = 115526348784.

The previous prime is 404342221331. The next prime is 404342221357. The reversal of 404342221332 is 233122243404.

It is a self number, because there is not a number n which added to its sum of digits gives 404342221332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404342221331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 343827832 + ... + 343829007.

Almost surely, 2^404342221332 is an apocalyptic number.

404342221332 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

404342221332 is an abundant number, since it is smaller than the sum of its proper divisors (693158095308).

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

404342221332 is a wasteful number, since it uses less digits than its factorization.

404342221332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687656860 (or 687656851 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 404342221332 its reverse (233122243404), we get a palindrome (637464464736).

The spelling of 404342221332 in words is "four hundred four billion, three hundred forty-two million, two hundred twenty-one thousand, three hundred thirty-two".