475681900 has 18 divisors (see below), whose sum is σ = 1032229940. Its totient is φ = 190272720.

The previous prime is 475681873. The next prime is 475681909. The reversal of 475681900 is 9186574.

It is a super-2 number, since 2×475681900² = 452546539975220000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (475681909) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2378310 + ... + 2378509.

Almost surely, 2^475681900 is an apocalyptic number.

It is an amenable number.

475681900 is an abundant number, since it is smaller than the sum of its proper divisors (556548040).

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

475681900 is a wasteful number, since it uses less digits than its factorization.

475681900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4756833 (or 4756826 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 475681900 is about 21810.1329661238. The cubic root of 475681900 is about 780.6185647748.

The spelling of 475681900 in words is "four hundred seventy-five million, six hundred eighty-one thousand, nine hundred".