471089640 has 256 divisors, whose sum is σ = 1695744000. Its totient is φ = 102435840.

The previous prime is 471089627. The next prime is 471089677. The reversal of 471089640 is 46980174.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2057046 + ... + 2057274.

It is an arithmetic number, because the mean of its divisors is an integer number (6624000).

Almost surely, 2^471089640 is an apocalyptic number.

471089640 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 471089640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (847872000).

471089640 is an abundant number, since it is smaller than the sum of its proper divisors (1224654360).

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

471089640 is a wasteful number, since it uses less digits than its factorization.

471089640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360 (or 356 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 471089640 is about 21704.5995125457. The cubic root of 471089640 is about 778.0983920516.

The spelling of 471089640 in words is "four hundred seventy-one million, eighty-nine thousand, six hundred forty".