420045466 has 8 divisors (see below), whose sum is σ = 636306804. Its totient is φ = 207943200.

The previous prime is 420045463. The next prime is 420045467. The reversal of 420045466 is 664540024.

It can be written as a sum of positive squares in 2 ways, for example, as 420045025 + 441 = 20495^2 + 21^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (420045463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1039515 + ... + 1039918.

Almost surely, 2^420045466 is an apocalyptic number.

420045466 is a deficient number, since it is larger than the sum of its proper divisors (216261338).

420045466 is a wasteful number, since it uses less digits than its factorization.

420045466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2079536.

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 420045466 is about 20495.0107587188. The cubic root of 420045466 is about 748.9142606890.

The spelling of 420045466 in words is "four hundred twenty million, forty-five thousand, four hundred sixty-six".