475244928 has 128 divisors (see below), whose sum is σ = 1485324000. Its totient is φ = 149078016.

The previous prime is 475244927. The next prime is 475244947. The reversal of 475244928 is 829442574.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475244923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54708 + ... + 62796.

Almost surely, 2^475244928 is an apocalyptic number.

475244928 is a gapful number since it is divisible by the number (48) 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 475244928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (742662000).

475244928 is an abundant number, since it is smaller than the sum of its proper divisors (1010079072).

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

475244928 is a wasteful number, since it uses less digits than its factorization.

475244928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8129 (or 8111 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 475244928 is about 21800.1130272299. The cubic root of 475244928 is about 780.3794603377.

The spelling of 475244928 in words is "four hundred seventy-five million, two hundred forty-four thousand, nine hundred twenty-eight".