475209920 has 28 divisors (see below), whose sum is σ = 1131594384. Its totient is φ = 190083840.

The previous prime is 475209871. The next prime is 475209953. The reversal of 475209920 is 29902574.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 742196 + ... + 742835.

Almost surely, 2^475209920 is an apocalyptic number.

475209920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

475209920 is an abundant number, since it is smaller than the sum of its proper divisors (656384464).

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

475209920 is a wasteful number, since it uses less digits than its factorization.

475209920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485048 (or 1485038 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 475209920 is about 21799.3100808260. The cubic root of 475209920 is about 780.3602981518.

The spelling of 475209920 in words is "four hundred seventy-five million, two hundred nine thousand, nine hundred twenty".