502446420 has 144 divisors (see below), whose sum is σ = 1760199168. Its totient is φ = 113633280.

The previous prime is 502446409. The next prime is 502446457. The reversal of 502446420 is 24644205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 120165 + ... + 124275.

Almost surely, 2^502446420 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 502446420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (880099584).

502446420 is an abundant number, since it is smaller than the sum of its proper divisors (1257752748).

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

502446420 is a wasteful number, since it uses less digits than its factorization.

502446420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4230 (or 4225 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 502446420 is about 22415.3166384060. The cubic root of 502446420 is about 794.9929036984.

The spelling of 502446420 in words is "five hundred two million, four hundred forty-six thousand, four hundred twenty".