471218538 has 32 divisors (see below), whose sum is σ = 1111818240. Its totient is φ = 130290480.

The previous prime is 471218537. The next prime is 471218543. The reversal of 471218538 is 835812174.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 471218496 and 471218505.

It is not an unprimeable number, because it can be changed into a prime (471218533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179658 + ... + 182261.

It is an arithmetic number, because the mean of its divisors is an integer number (34744320).

Almost surely, 2^471218538 is an apocalyptic number.

471218538 is an abundant number, since it is smaller than the sum of its proper divisors (640599702).

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

471218538 is a wasteful number, since it uses less digits than its factorization.

471218538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361962.

The product of its digits is 53760, while the sum is 39.

The square root of 471218538 is about 21707.5686800710. The cubic root of 471218538 is about 778.1693524888.

The spelling of 471218538 in words is "four hundred seventy-one million, two hundred eighteen thousand, five hundred thirty-eight".