424543240 has 32 divisors (see below), whose sum is σ = 1042061760. Its totient is φ = 154379200.

The previous prime is 424543199. The next prime is 424543241. The reversal of 424543240 is 42345424.

It is a junction number, because it is equal to n+sod(n) for n = 424543199 and 424543208.

It is not an unprimeable number, because it can be changed into a prime (424543241) 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, 481996 + ... + 482875.

It is an arithmetic number, because the mean of its divisors is an integer number (32564430).

Almost surely, 2^424543240 is an apocalyptic number.

424543240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

424543240 is an abundant number, since it is smaller than the sum of its proper divisors (617518520).

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

424543240 is a wasteful number, since it uses less digits than its factorization.

424543240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964893 (or 964889 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 28.

The square root of 424543240 is about 20604.4470928001. The cubic root of 424543240 is about 751.5778574193.

Adding to 424543240 its reverse (42345424), we get a palindrome (466888664).

The spelling of 424543240 in words is "four hundred twenty-four million, five hundred forty-three thousand, two hundred forty".