471623840 has 24 divisors (see below), whose sum is σ = 1114211700. Its totient is φ = 188649472.

The previous prime is 471623827. The next prime is 471623849. The reversal of 471623840 is 48326174.

It can be written as a sum of positive squares in 2 ways, for example, as 461562256 + 10061584 = 21484^2 + 3172^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 471623840.

It is not an unprimeable number, because it can be changed into a prime (471623849) by changing a digit.

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, 1473665 + ... + 1473984.

Almost surely, 2^471623840 is an apocalyptic number.

471623840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

471623840 is an abundant number, since it is smaller than the sum of its proper divisors (642587860).

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

471623840 is a wasteful number, since it uses less digits than its factorization.

471623840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2947664 (or 2947656 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 471623840 is about 21716.9021731922. The cubic root of 471623840 is about 778.3923935251.

The spelling of 471623840 in words is "four hundred seventy-one million, six hundred twenty-three thousand, eight hundred forty".