472428746827818 has 64 divisors (see below), whose sum is σ = 1045428039032832. Its totient is φ = 141134579398080.

The previous prime is 472428746827771. The next prime is 472428746827819. The reversal of 472428746827818 is 818728647824274.

It is a super-2 number, since 2×472428746827818² (a number of 30 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (472428746827819) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154303005 + ... + 157334912.

It is an arithmetic number, because the mean of its divisors is an integer number (16334813109888).

Almost surely, 2^{472428746827818} is an apocalyptic number.

472428746827818 is an abundant number, since it is smaller than the sum of its proper divisors (572999292205014).

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

472428746827818 is a wasteful number, since it uses less digits than its factorization.

472428746827818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311638259.

The product of its digits is 4315938816, while the sum is 78.

The spelling of 472428746827818 in words is "four hundred seventy-two trillion, four hundred twenty-eight billion, seven hundred forty-six million, eight hundred twenty-seven thousand, eight hundred eighteen".