475047140 has 24 divisors (see below), whose sum is σ = 998420472. Its totient is φ = 189862400.

The previous prime is 475047113. The next prime is 475047149. The reversal of 475047140 is 41740574.

It can be written as a sum of positive squares in 4 ways, for example, as 10903204 + 464143936 = 3302^2 + 21544^2 .

It is a junction number, because it is equal to n+sod(n) for n = 475047097 and 475047106.

It is not an unprimeable number, because it can be changed into a prime (475047149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16892 + ... + 35148.

It is an arithmetic number, because the mean of its divisors is an integer number (41600853).

Almost surely, 2^475047140 is an apocalyptic number.

It is an amenable number.

475047140 is an abundant number, since it is smaller than the sum of its proper divisors (523373332).

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

475047140 is a wasteful number, since it uses less digits than its factorization.

475047140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19567 (or 19565 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 32.

The square root of 475047140 is about 21795.5761566424. The cubic root of 475047140 is about 780.2711855647.

The spelling of 475047140 in words is "four hundred seventy-five million, forty-seven thousand, one hundred forty".