428248568 has 32 divisors (see below), whose sum is σ = 906174000. Its totient is φ = 187944960.

The previous prime is 428248553. The next prime is 428248571. The reversal of 428248568 is 865842824.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81353 + ... + 86456.

Almost surely, 2^428248568 is an apocalyptic number.

It is an amenable number.

428248568 is an abundant number, since it is smaller than the sum of its proper divisors (477925432).

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

428248568 is a wasteful number, since it uses less digits than its factorization.

428248568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167855 (or 167851 counting only the distinct ones).

The product of its digits is 983040, while the sum is 47.

The square root of 428248568 is about 20694.1674874830. The cubic root of 428248568 is about 753.7580669765.

The spelling of 428248568 in words is "four hundred twenty-eight million, two hundred forty-eight thousand, five hundred sixty-eight".