475894060920 has 640 divisors, whose sum is σ = 1686085632000. Its totient is φ = 120243087360.

The previous prime is 475894060909. The next prime is 475894060927. The reversal of 475894060920 is 29060498574.

475894060920 is a `hidden beast` number, since 4 + 7 + 5 + 8 + 9 + 4 + 0 + 609 + 20 = 666.

It is a super-3 number, since 3×475894060920³ (a number of 36 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475894060927) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 1242543049 + ... + 1242543431.

It is an arithmetic number, because the mean of its divisors is an integer number (2634508800).

Almost surely, 2^475894060920 is an apocalyptic number.

475894060920 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 475894060920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (843042816000).

475894060920 is an abundant number, since it is smaller than the sum of its proper divisors (1210191571080).

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

475894060920 is a wasteful number, since it uses less digits than its factorization.

475894060920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665 (or 652 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 475894060920 in words is "four hundred seventy-five billion, eight hundred ninety-four million, sixty thousand, nine hundred twenty".