288028442 has 16 divisors (see below), whose sum is σ = 473165280. Its totient is φ = 130682352.

The previous prime is 288028439. The next prime is 288028457. The reversal of 288028442 is 244820882.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 288028396 and 288028405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92348 + ... + 95415.

It is an arithmetic number, because the mean of its divisors is an integer number (29572830).

Almost surely, 2^288028442 is an apocalyptic number.

288028442 is a deficient number, since it is larger than the sum of its proper divisors (185136838).

288028442 is a wasteful number, since it uses less digits than its factorization.

288028442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187837.

The product of its (nonzero) digits is 65536, while the sum is 38.

The square root of 288028442 is about 16971.4007082503. The cubic root of 288028442 is about 660.4071882797.

The spelling of 288028442 in words is "two hundred eighty-eight million, twenty-eight thousand, four hundred forty-two".