420568248 has 64 divisors (see below), whose sum is σ = 1103155200. Its totient is φ = 133358720.

The previous prime is 420568243. The next prime is 420568273. The reversal of 420568248 is 842865024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420568241) 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 15 ways as a sum of consecutive naturals, for example, 103438 + ... + 107426.

It is an arithmetic number, because the mean of its divisors is an integer number (17236800).

Almost surely, 2^420568248 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 420568248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (551577600).

420568248 is an abundant number, since it is smaller than the sum of its proper divisors (682586952).

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

420568248 is a wasteful number, since it uses less digits than its factorization.

420568248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4212 (or 4208 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 39.

The square root of 420568248 is about 20507.7606773631. The cubic root of 420568248 is about 749.2248275307.

The spelling of 420568248 in words is "four hundred twenty million, five hundred sixty-eight thousand, two hundred forty-eight".