420463500 has 96 divisors (see below), whose sum is σ = 1245404160. Its totient is φ = 110200000.

The previous prime is 420463493. The next prime is 420463513. The reversal of 420463500 is 5364024.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86125 + ... + 90875.

It is an arithmetic number, because the mean of its divisors is an integer number (12972960).

Almost surely, 2^420463500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 420463500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (622702080).

420463500 is an abundant number, since it is smaller than the sum of its proper divisors (824940660).

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

420463500 is a wasteful number, since it uses less digits than its factorization.

420463500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4832 (or 4820 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 420463500 is about 20505.2066558716. The cubic root of 420463500 is about 749.1626209653.

The spelling of 420463500 in words is "four hundred twenty million, four hundred sixty-three thousand, five hundred".