424440312 has 16 divisors (see below), whose sum is σ = 1061100840. Its totient is φ = 141480096.

The previous prime is 424440311. The next prime is 424440347. The reversal of 424440312 is 213044424.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 17685013 = 424440312 / (4 + 2 + 4 + 4 + 4 + 0 + 3 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424440311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8842483 + ... + 8842530.

Almost surely, 2^424440312 is an apocalyptic number.

It is an amenable number.

424440312 is an abundant number, since it is smaller than the sum of its proper divisors (636660528).

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

424440312 is a wasteful number, since it uses less digits than its factorization.

424440312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17685022 (or 17685018 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 424440312 is about 20601.9492281677. The cubic root of 424440312 is about 751.5171139732.

Adding to 424440312 its reverse (213044424), we get a palindrome (637484736).

The spelling of 424440312 in words is "four hundred twenty-four million, four hundred forty thousand, three hundred twelve".