475538805 has 48 divisors (see below), whose sum is σ = 951410304. Its totient is φ = 215222400.

The previous prime is 475538801. The next prime is 475538851. The reversal of 475538805 is 508835574.

It is not a de Polignac number, because 475538805 - 2² = 475538801 is a prime.

It is a super-2 number, since 2×475538805² = 452274310121656050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475538801) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24342 + ... + 39288.

It is an arithmetic number, because the mean of its divisors is an integer number (19821048).

Almost surely, 2^475538805 is an apocalyptic number.

475538805 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

475538805 is an abundant number, since it is smaller than the sum of its proper divisors (475871499).

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

475538805 is a wasteful number, since it uses less digits than its factorization.

475538805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15066 (or 15063 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 45.

The square root of 475538805 is about 21806.8522487772. The cubic root of 475538805 is about 780.5402814961.

The spelling of 475538805 in words is "four hundred seventy-five million, five hundred thirty-eight thousand, eight hundred five".