471640408 has 16 divisors (see below), whose sum is σ = 891290880. Its totient is φ = 233962848.

The previous prime is 471640387. The next prime is 471640409. The reversal of 471640408 is 804046174.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (471640409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231091 + ... + 233122.

It is an arithmetic number, because the mean of its divisors is an integer number (55705680).

Almost surely, 2^471640408 is an apocalyptic number.

It is an amenable number.

471640408 is a deficient number, since it is larger than the sum of its proper divisors (419650472).

471640408 is a wasteful number, since it uses less digits than its factorization.

471640408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464346 (or 464342 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 471640408 is about 21717.2836238789. The cubic root of 471640408 is about 778.4015083133.

The spelling of 471640408 in words is "four hundred seventy-one million, six hundred forty thousand, four hundred eight".