404243032 has 32 divisors (see below), whose sum is σ = 797184000. Its totient is φ = 191800224.

The previous prime is 404243029. The next prime is 404243033. The reversal of 404243032 is 230342404.

It is a junction number, because it is equal to n+sod(n) for n = 404242994 and 404243012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404243033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14719 + ... + 32017.

It is an arithmetic number, because the mean of its divisors is an integer number (24912000).

Almost surely, 2^404243032 is an apocalyptic number.

It is an amenable number.

404243032 is a deficient number, since it is larger than the sum of its proper divisors (392940968).

404243032 is a wasteful number, since it uses less digits than its factorization.

404243032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17455 (or 17451 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 404243032 is about 20105.7959802640. The cubic root of 404243032 is about 739.4023857783.

Adding to 404243032 its reverse (230342404), we get a palindrome (634585436).

It can be divided in two parts, 4042 and 43032, that added together give a palindrome (47074).

The spelling of 404243032 in words is "four hundred four million, two hundred forty-three thousand, thirty-two".