8417500168428 has 144 divisors (see below), whose sum is σ = 23070299406336. Its totient is φ = 2572374499200.

The previous prime is 8417500168409. The next prime is 8417500168433. The reversal of 8417500168428 is 8248610057148.

8417500168428 is a `hidden beast` number, since 8 + 4 + 1 + 7 + 50 + 0 + 168 + 428 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 707168725 + ... + 707180627.

It is an arithmetic number, because the mean of its divisors is an integer number (160210412544).

Almost surely, 2^{8417500168428} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8417500168428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11535149703168).

8417500168428 is an abundant number, since it is smaller than the sum of its proper divisors (14652799237908).

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

8417500168428 is a wasteful number, since it uses less digits than its factorization.

8417500168428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22084 (or 22079 counting only the distinct ones).

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

The spelling of 8417500168428 in words is "eight trillion, four hundred seventeen billion, five hundred million, one hundred sixty-eight thousand, four hundred twenty-eight".