417252666 has 8 divisors (see below), whose sum is σ = 834505344. Its totient is φ = 139084220.

The previous prime is 417252643. The next prime is 417252697. The reversal of 417252666 is 666252714.

It is a sphenic number, since it is the product of 3 distinct primes.

417252666 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34771050 + ... + 34771061.

It is an arithmetic number, because the mean of its divisors is an integer number (104313168).

Almost surely, 2^417252666 is an apocalyptic number.

417252666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

417252666 is a wasteful number, since it uses less digits than its factorization.

417252666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69542116.

The product of its digits is 120960, while the sum is 39.

The square root of 417252666 is about 20426.7634734434. The cubic root of 417252666 is about 747.2507737649.

The spelling of 417252666 in words is "four hundred seventeen million, two hundred fifty-two thousand, six hundred sixty-six".