424400024 has 16 divisors (see below), whose sum is σ = 814256520. Its totient is φ = 207264960.

The previous prime is 424400021. The next prime is 424400029. The reversal of 424400024 is 420004424.

It is a junction number, because it is equal to n+sod(n) for n = 424399969 and 424400005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424400021) 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, 616517 + ... + 617204.

Almost surely, 2^424400024 is an apocalyptic number.

It is an amenable number.

424400024 is a deficient number, since it is larger than the sum of its proper divisors (389856496).

424400024 is a wasteful number, since it uses less digits than its factorization.

424400024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233770 (or 1233766 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 424400024 is about 20600.9714334058. The cubic root of 424400024 is about 751.4933351453.

Adding to 424400024 its reverse (420004424), we get a palindrome (844404448).

The spelling of 424400024 in words is "four hundred twenty-four million, four hundred thousand, twenty-four".