229117597868544 has 1920 divisors, whose sum is σ = 823373860700160. Its totient is φ = 55902434918400.

The previous prime is 229117597868503. The next prime is 229117597868581. The reversal of 229117597868544 is 445868795711922.

It is a self number, because there is not a number n which added to its sum of digits gives 229117597868544.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 125681621617 + ... + 125681623439.

It is an arithmetic number, because the mean of its divisors is an integer number (428840552448).

Almost surely, 2^{229117597868544} is an apocalyptic number.

229117597868544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229117597868544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (411686930350080).

229117597868544 is an abundant number, since it is smaller than the sum of its proper divisors (594256262831616).

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

229117597868544 is a wasteful number, since it uses less digits than its factorization.

229117597868544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2042 (or 2019 counting only the distinct ones).

The product of its digits is 2438553600, while the sum is 78.

The spelling of 229117597868544 in words is "two hundred twenty-nine trillion, one hundred seventeen billion, five hundred ninety-seven million, eight hundred sixty-eight thousand, five hundred forty-four".