4217178261268 has 48 divisors (see below), whose sum is σ = 8870704948224. Its totient is φ = 1716058955520.

The previous prime is 4217178261259. The next prime is 4217178261319. The reversal of 4217178261268 is 8621628717124.

It is a happy number.

It is a super-2 number, since 2×4217178261268² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45788905 + ... + 45880912.

It is an arithmetic number, because the mean of its divisors is an integer number (184806353088).

Almost surely, 2^{4217178261268} is an apocalyptic number.

It is an amenable number.

4217178261268 is an abundant number, since it is smaller than the sum of its proper divisors (4653526686956).

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

4217178261268 is a wasteful number, since it uses less digits than its factorization.

4217178261268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91669912 (or 91669910 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 55.

The spelling of 4217178261268 in words is "four trillion, two hundred seventeen billion, one hundred seventy-eight million, two hundred sixty-one thousand, two hundred sixty-eight".