471440128 has 36 divisors (see below), whose sum is σ = 942427080. Its totient is φ = 235372544.

The previous prime is 471440119. The next prime is 471440159. The reversal of 471440128 is 821044174.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 471440128.

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 3 ways as a sum of consecutive naturals, for example, 333888 + ... + 335296.

It is an arithmetic number, because the mean of its divisors is an integer number (26178530).

Almost surely, 2^471440128 is an apocalyptic number.

It is an amenable number.

471440128 is a deficient number, since it is larger than the sum of its proper divisors (470986952).

471440128 is a wasteful number, since it uses less digits than its factorization.

471440128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2732 (or 2718 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 471440128 is about 21712.6720603430. The cubic root of 471440128 is about 778.2913111349.

The spelling of 471440128 in words is "four hundred seventy-one million, four hundred forty thousand, one hundred twenty-eight".