2880240289 has 4 divisors (see below), whose sum is σ = 2899314880. Its totient is φ = 2861165700.

The previous prime is 2880240281. The next prime is 2880240301. The reversal of 2880240289 is 9820420882.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2880240289 - 2³ = 2880240281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2880240281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9537069 + ... + 9537370.

It is an arithmetic number, because the mean of its divisors is an integer number (724828720).

Almost surely, 2^2880240289 is an apocalyptic number.

It is an amenable number.

2880240289 is a deficient number, since it is larger than the sum of its proper divisors (19074591).

2880240289 is a wasteful number, since it uses less digits than its factorization.

2880240289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19074590.

The product of its (nonzero) digits is 147456, while the sum is 43.

The square root of 2880240289 is about 53667.8701738759. The cubic root of 2880240289 is about 1422.7968893223.

The spelling of 2880240289 in words is "two billion, eight hundred eighty million, two hundred forty thousand, two hundred eighty-nine".