475399128 has 16 divisors (see below), whose sum is σ = 1188497880. Its totient is φ = 158466368.

The previous prime is 475399123. The next prime is 475399129. The reversal of 475399128 is 821993574.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475399123) 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 3 ways as a sum of consecutive naturals, for example, 9904125 + ... + 9904172.

Almost surely, 2^475399128 is an apocalyptic number.

It is an amenable number.

475399128 is an abundant number, since it is smaller than the sum of its proper divisors (713098752).

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

475399128 is a wasteful number, since it uses less digits than its factorization.

475399128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19808306 (or 19808302 counting only the distinct ones).

The product of its digits is 544320, while the sum is 48.

The square root of 475399128 is about 21803.6494193059. The cubic root of 475399128 is about 780.4638529623.

The spelling of 475399128 in words is "four hundred seventy-five million, three hundred ninety-nine thousand, one hundred twenty-eight".