424120500 has 108 divisors (see below), whose sum is σ = 1342331172. Its totient is φ = 112730400.

The previous prime is 424120429. The next prime is 424120531. The reversal of 424120500 is 5021424.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

424120500 is a `hidden beast` number, since 42 + 4 + 120 + 500 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 13571856 + 410548644 = 3684^2 + 20262^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1381347 + ... + 1381653.

Almost surely, 2^424120500 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 424120500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (671165586).

424120500 is an abundant number, since it is smaller than the sum of its proper divisors (918210672).

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

424120500 is a wasteful number, since it uses less digits than its factorization.

424120500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639 (or 317 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 424120500 is about 20594.1860727731. The cubic root of 424120500 is about 751.3283127249.

Multiplying 424120500 by its product of nonzero digits (320), we get a square (135718560000 = 368400²).

Adding to 424120500 its reverse (5021424), we get a palindrome (429141924).

The spelling of 424120500 in words is "four hundred twenty-four million, one hundred twenty thousand, five hundred".