475547418 has 12 divisors (see below), whose sum is σ = 1030352778. Its totient is φ = 158515800.

The previous prime is 475547411. The next prime is 475547419. The reversal of 475547418 is 814745574.

It can be written as a sum of positive squares in only one way, i.e., 258662889 + 216884529 = 16083^2 + 14727^2 .

It is a super-2 number, since 2×475547418² = 452290693532933448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (475547411) 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 5 ways as a sum of consecutive naturals, for example, 13209633 + ... + 13209668.

Almost surely, 2^475547418 is an apocalyptic number.

475547418 is an abundant number, since it is smaller than the sum of its proper divisors (554805360).

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

475547418 is a wasteful number, since it uses less digits than its factorization.

475547418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26419309 (or 26419306 counting only the distinct ones).

The product of its digits is 627200, while the sum is 45.

The square root of 475547418 is about 21807.0497316808. The cubic root of 475547418 is about 780.5449938720.

The spelling of 475547418 in words is "four hundred seventy-five million, five hundred forty-seven thousand, four hundred eighteen".