475144448 has 18 divisors (see below), whose sum is σ = 948433374. Its totient is φ = 237572096.

The previous prime is 475144429. The next prime is 475144451. The reversal of 475144448 is 844441574.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 440664064 + 34480384 = 20992^2 + 5872^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 927761 + ... + 928272.

It is an arithmetic number, because the mean of its divisors is an integer number (52690743).

Almost surely, 2^475144448 is an apocalyptic number.

It is an amenable number.

475144448 is a deficient number, since it is larger than the sum of its proper divisors (473288926).

475144448 is an equidigital number, since it uses as much as digits as its factorization.

475144448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1856049 (or 1856035 counting only the distinct ones).

The product of its digits is 286720, while the sum is 41.

The square root of 475144448 is about 21797.8083301969. The cubic root of 475144448 is about 780.3244584847.

The spelling of 475144448 in words is "four hundred seventy-five million, one hundred forty-four thousand, four hundred forty-eight".