475405885856 has 96 divisors (see below), whose sum is σ = 1043761904640. Its totient is φ = 211293971200.

The previous prime is 475405885841. The next prime is 475405885949. The reversal of 475405885856 is 658588504574.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 475405885792 and 475405885801.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18036335 + ... + 18062673.

It is an arithmetic number, because the mean of its divisors is an integer number (10872519840).

Almost surely, 2^475405885856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 475405885856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (521880952320).

475405885856 is an abundant number, since it is smaller than the sum of its proper divisors (568356018784).

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

475405885856 is a wasteful number, since it uses less digits than its factorization.

475405885856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27498 (or 27490 counting only the distinct ones).

The product of its (nonzero) digits is 215040000, while the sum is 65.

The spelling of 475405885856 in words is "four hundred seventy-five billion, four hundred five million, eight hundred eighty-five thousand, eight hundred fifty-six".