471841664 has 64 divisors (see below), whose sum is σ = 1137512160. Its totient is φ = 190316544.

The previous prime is 471841663. The next prime is 471841679. The reversal of 471841664 is 466148174.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (471841663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257 + ... + 30720.

Almost surely, 2^471841664 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 471841664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (568756080).

471841664 is an abundant number, since it is smaller than the sum of its proper divisors (665670496).

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

471841664 is a wasteful number, since it uses less digits than its factorization.

471841664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31015 (or 31003 counting only the distinct ones).

The product of its digits is 129024, while the sum is 41.

The square root of 471841664 is about 21721.9166741796. The cubic root of 471841664 is about 778.5122110816.

The spelling of 471841664 in words is "four hundred seventy-one million, eight hundred forty-one thousand, six hundred sixty-four".