470211640 has 32 divisors (see below), whose sum is σ = 1059608880. Its totient is φ = 187794432.

The previous prime is 470211571. The next prime is 470211647. The reversal of 470211640 is 46112074.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (470211647) 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 7 ways as a sum of consecutive naturals, for example, 18187 + ... + 35653.

Almost surely, 2^470211640 is an apocalyptic number.

470211640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

470211640 is an abundant number, since it is smaller than the sum of its proper divisors (589397240).

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

470211640 is a wasteful number, since it uses less digits than its factorization.

470211640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18151 (or 18147 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 470211640 is about 21684.3639519355. The cubic root of 470211640 is about 777.6146941216.

The spelling of 470211640 in words is "four hundred seventy million, two hundred eleven thousand, six hundred forty".