2286745643728 has 120 divisors (see below), whose sum is σ = 5490628934400. Its totient is φ = 903383050752.

The previous prime is 2286745643723. The next prime is 2286745643747. The reversal of 2286745643728 is 8273465476822.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2286745643728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2286745643723) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13525218 + ... + 13693246.

It is an arithmetic number, because the mean of its divisors is an integer number (45755241120).

Almost surely, 2^{2286745643728} is an apocalyptic number.

2286745643728 is a gapful number since it is divisible by the number (28) 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 2286745643728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2745314467200).

2286745643728 is an abundant number, since it is smaller than the sum of its proper divisors (3203883290672).

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

2286745643728 is a wasteful number, since it uses less digits than its factorization.

2286745643728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168789 (or 168770 counting only the distinct ones).

The product of its digits is 216760320, while the sum is 64.

The spelling of 2286745643728 in words is "two trillion, two hundred eighty-six billion, seven hundred forty-five million, six hundred forty-three thousand, seven hundred twenty-eight".