428128150 has 24 divisors (see below), whose sum is σ = 815744664. Its totient is φ = 167073600.

The previous prime is 428128133. The next prime is 428128157. The reversal of 428128150 is 51821824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428128157) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102372 + ... + 106471.

It is an arithmetic number, because the mean of its divisors is an integer number (33989361).

Almost surely, 2^428128150 is an apocalyptic number.

428128150 is a deficient number, since it is larger than the sum of its proper divisors (387616514).

428128150 is a wasteful number, since it uses less digits than its factorization.

428128150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208896 (or 208891 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 31.

The square root of 428128150 is about 20691.2578158023. The cubic root of 428128150 is about 753.6874113228.

Adding to 428128150 its reverse (51821824), we get a palindrome (479949974).

The spelling of 428128150 in words is "four hundred twenty-eight million, one hundred twenty-eight thousand, one hundred fifty".