417871171220 has 24 divisors (see below), whose sum is σ = 877566870600. Its totient is φ = 167141342592.

The previous prime is 417871171219. The next prime is 417871171253. The reversal of 417871171220 is 22171178714.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 89675093764 + 328196077456 = 299458^2 + 572884^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48866 + ... + 915494.

It is an arithmetic number, because the mean of its divisors is an integer number (36565286275).

Almost surely, 2^417871171220 is an apocalyptic number.

It is an amenable number.

417871171220 is an abundant number, since it is smaller than the sum of its proper divisors (459695699380).

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

417871171220 is a wasteful number, since it uses less digits than its factorization.

417871171220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890747 (or 890745 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 41.

The spelling of 417871171220 in words is "four hundred seventeen billion, eight hundred seventy-one million, one hundred seventy-one thousand, two hundred twenty".