424440244 has 6 divisors (see below), whose sum is σ = 742770434. Its totient is φ = 212220120.

The previous prime is 424440239. The next prime is 424440293. The reversal of 424440244 is 442044424.

It can be written as a sum of positive squares in only one way, i.e., 410467600 + 13972644 = 20260^2 + 3738^2 .

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, 53055027 + ... + 53055034.

Almost surely, 2^424440244 is an apocalyptic number.

It is an amenable number.

424440244 is a deficient number, since it is larger than the sum of its proper divisors (318330190).

424440244 is a wasteful number, since it uses less digits than its factorization.

424440244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106110065 (or 106110063 counting only the distinct ones).

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

The square root of 424440244 is about 20601.9475778384. The cubic root of 424440244 is about 751.5170738395.

Adding to 424440244 its reverse (442044424), we get a palindrome (866484668).

The spelling of 424440244 in words is "four hundred twenty-four million, four hundred forty thousand, two hundred forty-four".