420302448 has 30 divisors (see below), whose sum is σ = 1176263504. Its totient is φ = 140100768.

The previous prime is 420302447. The next prime is 420302471. The reversal of 420302448 is 844203024.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420302447) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1459240 + ... + 1459527.

Almost surely, 2^420302448 is an apocalyptic number.

420302448 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

420302448 is an abundant number, since it is smaller than the sum of its proper divisors (755961056).

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

420302448 is a wasteful number, since it uses less digits than its factorization.

420302448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2918781 (or 2918772 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 420302448 is about 20501.2791796024. The cubic root of 420302448 is about 749.0669570558.

The spelling of 420302448 in words is "four hundred twenty million, three hundred two thousand, four hundred forty-eight".