424240424 has 16 divisors (see below), whose sum is σ = 812376000. Its totient is φ = 207606832.

The previous prime is 424240393. The next prime is 424240447. The reversal of 424240424 is 424042424.

It is a junction number, because it is equal to n+sod(n) for n = 424240393 and 424240402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 563774 + ... + 564525.

It is an arithmetic number, because the mean of its divisors is an integer number (50773500).

Almost surely, 2^424240424 is an apocalyptic number.

It is an amenable number.

424240424 is a deficient number, since it is larger than the sum of its proper divisors (388135576).

424240424 is a wasteful number, since it uses less digits than its factorization.

424240424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128352 (or 1128348 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

The square root of 424240424 is about 20597.0974654197. The cubic root of 424240424 is about 751.3991210647.

Adding to 424240424 its reverse (424042424), we get a palindrome (848282848).

The spelling of 424240424 in words is "four hundred twenty-four million, two hundred forty thousand, four hundred twenty-four".