424430440 has 32 divisors (see below), whose sum is σ = 1091393280. Its totient is φ = 145518912.

The previous prime is 424430429. The next prime is 424430443. The reversal of 424430440 is 44034424.

It is not an unprimeable number, because it can be changed into a prime (424430443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 757632 + ... + 758191.

It is an arithmetic number, because the mean of its divisors is an integer number (34106040).

Almost surely, 2^424430440 is an apocalyptic number.

424430440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

424430440 is an abundant number, since it is smaller than the sum of its proper divisors (666962840).

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

424430440 is a wasteful number, since it uses less digits than its factorization.

424430440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1515841 (or 1515837 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 424430440 is about 20601.7096377946. The cubic root of 424430440 is about 751.5112874497.

Adding to 424430440 its reverse (44034424), we get a palindrome (468464864).

The spelling of 424430440 in words is "four hundred twenty-four million, four hundred thirty thousand, four hundred forty".