420315424 has 12 divisors (see below), whose sum is σ = 827496054. Its totient is φ = 210157696.

The previous prime is 420315419. The next prime is 420315431. The reversal of 420315424 is 424513024.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 412090000 + 8225424 = 20300^2 + 2868^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6567397 + ... + 6567460.

Almost surely, 2^420315424 is an apocalyptic number.

It is an amenable number.

420315424 is a deficient number, since it is larger than the sum of its proper divisors (407180630).

420315424 is a wasteful number, since it uses less digits than its factorization.

420315424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13134867 (or 13134859 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 420315424 is about 20501.5956452175. The cubic root of 420315424 is about 749.0746656261.

Adding to 420315424 its reverse (424513024), we get a palindrome (844828448).

It can be divided in two parts, 420 and 315424, that added together give a square (315844 = 562²).

The spelling of 420315424 in words is "four hundred twenty million, three hundred fifteen thousand, four hundred twenty-four".