424440430 has 64 divisors (see below), whose sum is σ = 828843840. Its totient is φ = 155990016.

The previous prime is 424440421. The next prime is 424440439. The reversal of 424440430 is 34044424.

It is an interprime number because it is at equal distance from previous prime (424440421) and next prime (424440439).

It is a junction number, because it is equal to n+sod(n) for n = 424440395 and 424440404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424440439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1137724 + ... + 1138096.

It is an arithmetic number, because the mean of its divisors is an integer number (12950685).

Almost surely, 2^424440430 is an apocalyptic number.

424440430 is a deficient number, since it is larger than the sum of its proper divisors (404403410).

424440430 is a wasteful number, since it uses less digits than its factorization.

424440430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565.

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

The square root of 424440430 is about 20601.9520919742. The cubic root of 424440430 is about 751.5171836171.

Adding to 424440430 its reverse (34044424), we get a palindrome (458484854).

The spelling of 424440430 in words is "four hundred twenty-four million, four hundred forty thousand, four hundred thirty".