420516448 has 36 divisors (see below), whose sum is σ = 903981708. Its totient is φ = 190968960.

The previous prime is 420516409. The next prime is 420516449. The reversal of 420516448 is 844615024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420516449) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 384190 + ... + 385282.

It is an arithmetic number, because the mean of its divisors is an integer number (25110603).

Almost surely, 2^420516448 is an apocalyptic number.

It is an amenable number.

420516448 is an abundant number, since it is smaller than the sum of its proper divisors (483465260).

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

420516448 is an equidigital number, since it uses as much as digits as its factorization.

420516448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2207 (or 1106 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 420516448 is about 20506.4977019480. The cubic root of 420516448 is about 749.1940664198.

The spelling of 420516448 in words is "four hundred twenty million, five hundred sixteen thousand, four hundred forty-eight".