227643911040 has 512 divisors, whose sum is σ = 895332695040. Its totient is φ = 47908454400.

The previous prime is 227643911023. The next prime is 227643911071. The reversal of 227643911040 is 40119346722.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 227643911040.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 79845615 + ... + 79848465.

It is an arithmetic number, because the mean of its divisors is an integer number (1748696670).

Almost surely, 2^227643911040 is an apocalyptic number.

227643911040 is a gapful number since it is divisible by the number (20) 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 227643911040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (447666347520).

227643911040 is an abundant number, since it is smaller than the sum of its proper divisors (667688784000).

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

227643911040 is a wasteful number, since it uses less digits than its factorization.

227643911040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3350 (or 3338 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The spelling of 227643911040 in words is "two hundred twenty-seven billion, six hundred forty-three million, nine hundred eleven thousand, forty".