424402424 has 8 divisors (see below), whose sum is σ = 795754560. Its totient is φ = 212201208.

The previous prime is 424402409. The next prime is 424402441. The reversal of 424402424 is 424204424.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 424402393 and 424402402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26525144 + ... + 26525159.

It is an arithmetic number, because the mean of its divisors is an integer number (99469320).

Almost surely, 2^424402424 is an apocalyptic number.

It is an amenable number.

424402424 is a deficient number, since it is larger than the sum of its proper divisors (371352136).

424402424 is a wasteful number, since it uses less digits than its factorization.

424402424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53050309 (or 53050305 counting only the distinct ones).

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

The square root of 424402424 is about 20601.0296830037. The cubic root of 424402424 is about 751.4947517181.

Adding to 424402424 its reverse (424204424), we get a palindrome (848606848).

The spelling of 424402424 in words is "four hundred twenty-four million, four hundred two thousand, four hundred twenty-four".