403224040 has 32 divisors (see below), whose sum is σ = 946702080. Its totient is φ = 154276672.

The previous prime is 403224011. The next prime is 403224047. The reversal of 403224040 is 40422304.

It is a junction number, because it is equal to n+sod(n) for n = 403223999 and 403224017.

It is not an unprimeable number, because it can be changed into a prime (403224047) 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, 218224 + ... + 220063.

It is an arithmetic number, because the mean of its divisors is an integer number (29584440).

Almost surely, 2^403224040 is an apocalyptic number.

403224040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

403224040 is an abundant number, since it is smaller than the sum of its proper divisors (543478040).

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

403224040 is a wasteful number, since it uses less digits than its factorization.

403224040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438321 (or 438317 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 403224040 is about 20080.4392382238. The cubic root of 403224040 is about 738.7805823710.

Adding to 403224040 its reverse (40422304), we get a palindrome (443646344).

The spelling of 403224040 in words is "four hundred three million, two hundred twenty-four thousand, forty".