420334462 has 16 divisors (see below), whose sum is σ = 637022880. Its totient is φ = 207999232.

The previous prime is 420334441. The next prime is 420334463. The reversal of 420334462 is 264433024.

It is a self number, because there is not a number n which added to its sum of digits gives 420334462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420334463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268839 + ... + 270397.

It is an arithmetic number, because the mean of its divisors is an integer number (39813930).

Almost surely, 2^420334462 is an apocalyptic number.

420334462 is a deficient number, since it is larger than the sum of its proper divisors (216688418).

420334462 is a wasteful number, since it uses less digits than its factorization.

420334462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2867.

The product of its (nonzero) digits is 13824, while the sum is 28.

The square root of 420334462 is about 20502.0599452835. The cubic root of 420334462 is about 749.0859751231.

Adding to 420334462 its reverse (264433024), we get a palindrome (684767486).

The spelling of 420334462 in words is "four hundred twenty million, three hundred thirty-four thousand, four hundred sixty-two".