288140890 has 16 divisors (see below), whose sum is σ = 545951520. Its totient is φ = 109190160.

The previous prime is 288140869. The next prime is 288140903. The reversal of 288140890 is 98041882.

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, 758076 + ... + 758455.

It is an arithmetic number, because the mean of its divisors is an integer number (34121970).

Almost surely, 2^288140890 is an apocalyptic number.

288140890 is a deficient number, since it is larger than the sum of its proper divisors (257810630).

288140890 is a wasteful number, since it uses less digits than its factorization.

288140890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516557.

The product of its (nonzero) digits is 36864, while the sum is 40.

The square root of 288140890 is about 16974.7132523645. The cubic root of 288140890 is about 660.4931193832.

The spelling of 288140890 in words is "two hundred eighty-eight million, one hundred forty thousand, eight hundred ninety".