2280286736 has 120 divisors (see below), whose sum is σ = 5564565720. Its totient is φ = 897232896.

The previous prime is 2280286717. The next prime is 2280286741. The reversal of 2280286736 is 6376820822.

It can be written as a sum of positive squares in 4 ways, for example, as 995781136 + 1284505600 = 31556^2 + 35840^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2333480 + ... + 2334456.

It is an arithmetic number, because the mean of its divisors is an integer number (46371381).

Almost surely, 2^2280286736 is an apocalyptic number.

2280286736 is a gapful number since it is divisible by the number (26) 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 2280286736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2782282860).

2280286736 is an abundant number, since it is smaller than the sum of its proper divisors (3284278984).

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

2280286736 is a wasteful number, since it uses less digits than its factorization.

2280286736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241 (or 1228 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 44.

The square root of 2280286736 is about 47752.3479632154. The cubic root of 2280286736 is about 1316.2240451504.

The spelling of 2280286736 in words is "two billion, two hundred eighty million, two hundred eighty-six thousand, seven hundred thirty-six".