420450606 has 12 divisors (see below), whose sum is σ = 910976352. Its totient is φ = 140150196.

The previous prime is 420450571. The next prime is 420450607. The reversal of 420450606 is 606054024.

It is a happy number.

420450606 is a `hidden beast` number, since 4 + 2 + 0 + 4 + 50 + 606 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 420450606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420450607) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11679166 + ... + 11679201.

It is an arithmetic number, because the mean of its divisors is an integer number (75914696).

Almost surely, 2^420450606 is an apocalyptic number.

420450606 is an abundant number, since it is smaller than the sum of its proper divisors (490525746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420450606 is a wasteful number, since it uses less digits than its factorization.

420450606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23358375 (or 23358372 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 420450606 is about 20504.8922455106. The cubic root of 420450606 is about 749.1549629073.

The spelling of 420450606 in words is "four hundred twenty million, four hundred fifty thousand, six hundred six".