404143305432 has 32 divisors (see below), whose sum is σ = 1010383530480. Its totient is φ = 134711066240.

The previous prime is 404143305427. The next prime is 404143305457. The reversal of 404143305432 is 234503341404.

It is a super-3 number, since 3×404143305432³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 404143305393 and 404143305402.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 885598 + ... + 1261970.

Almost surely, 2^404143305432 is an apocalyptic number.

It is an amenable number.

404143305432 is an abundant number, since it is smaller than the sum of its proper divisors (606240225048).

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

404143305432 is a wasteful number, since it uses less digits than its factorization.

404143305432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421123 (or 421119 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 404143305432 its reverse (234503341404), we get a palindrome (638646646836).

The spelling of 404143305432 in words is "four hundred four billion, one hundred forty-three million, three hundred five thousand, four hundred thirty-two".