420718466 has 16 divisors (see below), whose sum is σ = 738823680. Its totient is φ = 175909920.

The previous prime is 420718433. The next prime is 420718477. The reversal of 420718466 is 664817024.

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 7 ways as a sum of consecutive naturals, for example, 365906 + ... + 367053.

It is an arithmetic number, because the mean of its divisors is an integer number (46176480).

Almost surely, 2^420718466 is an apocalyptic number.

420718466 is a deficient number, since it is larger than the sum of its proper divisors (318105214).

420718466 is a wasteful number, since it uses less digits than its factorization.

420718466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733009.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 420718466 is about 20511.4228175424. The cubic root of 420718466 is about 749.3140192838.

The spelling of 420718466 in words is "four hundred twenty million, seven hundred eighteen thousand, four hundred sixty-six".