471640057 has 24 divisors (see below), whose sum is σ = 559452096. Its totient is φ = 389323584.

The previous prime is 471640031. The next prime is 471640067. The reversal of 471640057 is 750046174.

It is a happy number.

It is not a de Polignac number, because 471640057 - 2¹⁵ = 471607289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (471640067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4326919 + ... + 4327027.

It is an arithmetic number, because the mean of its divisors is an integer number (23310504).

Almost surely, 2^471640057 is an apocalyptic number.

It is an amenable number.

471640057 is a deficient number, since it is larger than the sum of its proper divisors (87812039).

471640057 is a wasteful number, since it uses less digits than its factorization.

471640057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385 (or 276 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 471640057 is about 21717.2755427563. The cubic root of 471640057 is about 778.4013152149.

The spelling of 471640057 in words is "four hundred seventy-one million, six hundred forty thousand, fifty-seven".