424430144 has 14 divisors (see below), whose sum is σ = 842228694. Its totient is φ = 212215040.

The previous prime is 424430117. The next prime is 424430183. The reversal of 424430144 is 441034424.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 221652544 + 202777600 = 14888^2 + 14240^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3315797 + ... + 3315924.

Almost surely, 2^424430144 is an apocalyptic number.

It is an amenable number.

424430144 is a deficient number, since it is larger than the sum of its proper divisors (417798550).

424430144 is an equidigital number, since it uses as much as digits as its factorization.

424430144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6631733 (or 6631723 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 424430144 is about 20601.7024539236. The cubic root of 424430144 is about 751.5111127470.

Adding to 424430144 its reverse (441034424), we get a palindrome (865464568).

The spelling of 424430144 in words is "four hundred twenty-four million, four hundred thirty thousand, one hundred forty-four".