428248550 has 48 divisors (see below), whose sum is σ = 815572800. Its totient is φ = 167248800.

The previous prime is 428248519. The next prime is 428248553. The reversal of 428248550 is 55842824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428248553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 527645 + ... + 528455.

It is an arithmetic number, because the mean of its divisors is an integer number (16991100).

Almost surely, 2^428248550 is an apocalyptic number.

428248550 is a deficient number, since it is larger than the sum of its proper divisors (387324250).

428248550 is a wasteful number, since it uses less digits than its factorization.

428248550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061 (or 1056 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 38.

The square root of 428248550 is about 20694.1670525779. The cubic root of 428248550 is about 753.7580564160.

The spelling of 428248550 in words is "four hundred twenty-eight million, two hundred forty-eight thousand, five hundred fifty".