2289863280 has 320 divisors, whose sum is σ = 8013772800. Its totient is φ = 537477120.

The previous prime is 2289863273. The next prime is 2289863281. The reversal of 2289863280 is 823689822.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2289863281) by changing a digit.

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, 8449545 + ... + 8449815.

It is an arithmetic number, because the mean of its divisors is an integer number (25043040).

Almost surely, 2^2289863280 is an apocalyptic number.

2289863280 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 2289863280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4006886400).

2289863280 is an abundant number, since it is smaller than the sum of its proper divisors (5723909520).

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

2289863280 is a wasteful number, since it uses less digits than its factorization.

2289863280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432 (or 426 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 48.

The square root of 2289863280 is about 47852.5159213181. The cubic root of 2289863280 is about 1318.0640583276.

The spelling of 2289863280 in words is "two billion, two hundred eighty-nine million, eight hundred sixty-three thousand, two hundred eighty".