475561280 has 56 divisors (see below), whose sum is σ = 1134526560. Its totient is φ = 189872640.

The previous prime is 475561231. The next prime is 475561301. The reversal of 475561280 is 82165574.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 235475 + ... + 237485.

Almost surely, 2^475561280 is an apocalyptic number.

475561280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 475561280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (567263280).

475561280 is an abundant number, since it is smaller than the sum of its proper divisors (658965280).

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

475561280 is a wasteful number, since it uses less digits than its factorization.

475561280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2767 (or 2757 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 475561280 is about 21807.3675623630. The cubic root of 475561280 is about 780.5525779805.

The spelling of 475561280 in words is "four hundred seventy-five million, five hundred sixty-one thousand, two hundred eighty".