472041865818 has 12 divisors (see below), whose sum is σ = 1022757375978. Its totient is φ = 157347288600.

The previous prime is 472041865811. The next prime is 472041865819. The reversal of 472041865818 is 818568140274.

472041865818 is a `hidden beast` number, since 47 + 2 + 0 + 4 + 18 + 6 + 581 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 399091637169 + 72950228649 = 631737^2 + 270093^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (472041865811) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13112274033 + ... + 13112274068.

Almost surely, 2^472041865818 is an apocalyptic number.

472041865818 is an abundant number, since it is smaller than the sum of its proper divisors (550715510160).

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

472041865818 is a wasteful number, since it uses less digits than its factorization.

472041865818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26224548109 (or 26224548106 counting only the distinct ones).

The product of its (nonzero) digits is 3440640, while the sum is 54.

The spelling of 472041865818 in words is "four hundred seventy-two billion, forty-one million, eight hundred sixty-five thousand, eight hundred eighteen".