2289936040 has 128 divisors (see below), whose sum is σ = 6281452800. Its totient is φ = 733409280.

The previous prime is 2289936037. The next prime is 2289936043. The reversal of 2289936040 is 406399822.

It is an interprime number because it is at equal distance from previous prime (2289936037) and next prime (2289936043).

It is not an unprimeable number, because it can be changed into a prime (2289936043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 659910 + ... + 663370.

It is an arithmetic number, because the mean of its divisors is an integer number (49073850).

Almost surely, 2^2289936040 is an apocalyptic number.

2289936040 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 2289936040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3140726400).

2289936040 is an abundant number, since it is smaller than the sum of its proper divisors (3991516760).

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

2289936040 is a wasteful number, since it uses less digits than its factorization.

2289936040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3635 (or 3631 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 2289936040 is about 47853.2761678864. The cubic root of 2289936040 is about 1318.0780185970.

The spelling of 2289936040 in words is "two billion, two hundred eighty-nine million, nine hundred thirty-six thousand, forty".