288442011 has 96 divisors (see below), whose sum is σ = 499451904. Its totient is φ = 145728000.

The previous prime is 288442003. The next prime is 288442027. The reversal of 288442011 is 110244882.

It is not a de Polignac number, because 288442011 - 2³ = 288442003 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 288442011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288442031) 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 95 ways as a sum of consecutive naturals, for example, 7035151 + ... + 7035191.

It is an arithmetic number, because the mean of its divisors is an integer number (5202624).

Almost surely, 2^288442011 is an apocalyptic number.

288442011 is a deficient number, since it is larger than the sum of its proper divisors (211009893).

288442011 is a wasteful number, since it uses less digits than its factorization.

288442011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 30.

The square root of 288442011 is about 16983.5806295375. The cubic root of 288442011 is about 660.7231215721.

Adding to 288442011 its reverse (110244882), we get a palindrome (398686893).

The spelling of 288442011 in words is "two hundred eighty-eight million, four hundred forty-two thousand, eleven".