420650500 has 48 divisors (see below), whose sum is σ = 967075200. Its totient is φ = 159400800.

The previous prime is 420650497. The next prime is 420650507. The reversal of 420650500 is 5056024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420650507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12640 + ... + 31639.

It is an arithmetic number, because the mean of its divisors is an integer number (20147400).

Almost surely, 2^420650500 is an apocalyptic number.

It is an amenable number.

420650500 is an abundant number, since it is smaller than the sum of its proper divisors (546424700).

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

420650500 is a wasteful number, since it uses less digits than its factorization.

420650500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44317 (or 44305 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 420650500 is about 20509.7659664853. The cubic root of 420650500 is about 749.2736671850.

The spelling of 420650500 in words is "four hundred twenty million, six hundred fifty thousand, five hundred".