288242955 has 224 divisors, whose sum is σ = 705116160. Its totient is φ = 109175040.

The previous prime is 288242953. The next prime is 288242959. The reversal of 288242955 is 559242882.

It is not a de Polignac number, because 288242955 - 2¹ = 288242953 is a prime.

It is a super-2 number, since 2×288242955² = 166168002214264050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 288242955.

It is not an unprimeable number, because it can be changed into a prime (288242951) by changing a digit.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 3648606 + ... + 3648684.

It is an arithmetic number, because the mean of its divisors is an integer number (3147840).

Almost surely, 2^288242955 is an apocalyptic number.

288242955 is an abundant number, since it is smaller than the sum of its proper divisors (416873205).

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

288242955 is a wasteful number, since it uses less digits than its factorization.

288242955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 118 counting only the distinct ones).

The product of its digits is 460800, while the sum is 45.

The square root of 288242955 is about 16977.7193698094. The cubic root of 288242955 is about 660.5710965979.

The spelling of 288242955 in words is "two hundred eighty-eight million, two hundred forty-two thousand, nine hundred fifty-five".