420050008 has 32 divisors (see below), whose sum is σ = 953056800. Its totient is φ = 169431552.

The previous prime is 420050003. The next prime is 420050047. The reversal of 420050008 is 800050024.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420050003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219663 + ... + 221566.

It is an arithmetic number, because the mean of its divisors is an integer number (29783025).

Almost surely, 2^420050008 is an apocalyptic number.

It is an amenable number.

420050008 is an abundant number, since it is smaller than the sum of its proper divisors (533006792).

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

420050008 is a wasteful number, since it uses less digits than its factorization.

420050008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441259 (or 441255 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 420050008 is about 20495.1215658751. The cubic root of 420050008 is about 748.9169600447.

The spelling of 420050008 in words is "four hundred twenty million, fifty thousand, eight".