420049420 has 48 divisors (see below), whose sum is σ = 1011124800. Its totient is φ = 143587584.

The previous prime is 420049417. The next prime is 420049429. The reversal of 420049420 is 24940024.

It is not an unprimeable number, because it can be changed into a prime (420049429) 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, 44562 + ... + 53158.

It is an arithmetic number, because the mean of its divisors is an integer number (21065100).

Almost surely, 2^420049420 is an apocalyptic number.

It is an amenable number.

420049420 is an abundant number, since it is smaller than the sum of its proper divisors (591075380).

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

420049420 is a wasteful number, since it uses less digits than its factorization.

420049420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8962 (or 8960 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 420049420 is about 20495.1072209930. The cubic root of 420049420 is about 748.9166105915.

Adding to 420049420 its reverse (24940024), we get a palindrome (444989444).

The spelling of 420049420 in words is "four hundred twenty million, forty-nine thousand, four hundred twenty".