288773442 has 12 divisors (see below), whose sum is σ = 625675830. Its totient is φ = 96257808.

The previous prime is 288773437. The next prime is 288773453. The reversal of 288773442 is 244377882.

It can be written as a sum of positive squares in only one way, i.e., 165096801 + 123676641 = 12849^2 + 11121^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8021467 + ... + 8021502.

Almost surely, 2^288773442 is an apocalyptic number.

288773442 is an abundant number, since it is smaller than the sum of its proper divisors (336902388).

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

288773442 is a wasteful number, since it uses less digits than its factorization.

288773442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16042977 (or 16042974 counting only the distinct ones).

The product of its digits is 602112, while the sum is 45.

The square root of 288773442 is about 16993.3352229631. The cubic root of 288773442 is about 660.9760901600.

The spelling of 288773442 in words is "two hundred eighty-eight million, seven hundred seventy-three thousand, four hundred forty-two".