424440200242 has 16 divisors (see below), whose sum is σ = 640216630872. Its totient is φ = 211034799360.

The previous prime is 424440200189. The next prime is 424440200263. The reversal of 424440200242 is 242002044424.

It can be written as a sum of positive squares in 4 ways, for example, as 202967369361 + 221472830881 = 450519^2 + 470609^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 424440200242.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9343368 + ... + 9388684.

Almost surely, 2^424440200242 is an apocalyptic number.

424440200242 is a deficient number, since it is larger than the sum of its proper divisors (215776430630).

424440200242 is a wasteful number, since it uses less digits than its factorization.

424440200242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71373.

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 424440200242 its reverse (242002044424), we get a palindrome (666442244666).

The spelling of 424440200242 in words is "four hundred twenty-four billion, four hundred forty million, two hundred thousand, two hundred forty-two".