424200520 has 16 divisors (see below), whose sum is σ = 954451260. Its totient is φ = 169680192.

The previous prime is 424200509. The next prime is 424200551. The reversal of 424200520 is 25002424.

It can be written as a sum of positive squares in 2 ways, for example, as 411197284 + 13003236 = 20278^2 + 3606^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5302467 + ... + 5302546.

Almost surely, 2^424200520 is an apocalyptic number.

424200520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

424200520 is an abundant number, since it is smaller than the sum of its proper divisors (530250740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

424200520 is a wasteful number, since it uses less digits than its factorization.

424200520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10605024 (or 10605020 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 424200520 is about 20596.1287624641. The cubic root of 424200520 is about 751.3755614910.

Adding to 424200520 its reverse (25002424), we get a palindrome (449202944).

The spelling of 424200520 in words is "four hundred twenty-four million, two hundred thousand, five hundred twenty".