420344332 has 12 divisors (see below), whose sum is σ = 746582200. Its totient is φ = 207035136.

The previous prime is 420344321. The next prime is 420344369. The reversal of 420344332 is 233443024.

It is a junction number, because it is equal to n+sod(n) for n = 420344297 and 420344306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 783957 + ... + 784492.

Almost surely, 2^420344332 is an apocalyptic number.

It is an amenable number.

420344332 is a deficient number, since it is larger than the sum of its proper divisors (326237868).

420344332 is a wasteful number, since it uses less digits than its factorization.

420344332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1568520 (or 1568518 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

The square root of 420344332 is about 20502.3006513903. The cubic root of 420344332 is about 749.0918382483.

Adding to 420344332 its reverse (233443024), we get a palindrome (653787356).

The spelling of 420344332 in words is "four hundred twenty million, three hundred forty-four thousand, three hundred thirty-two".