1140816288 has 48 divisors (see below), whose sum is σ = 2997854496. Its totient is φ = 379864320.

The previous prime is 1140816233. The next prime is 1140816323. The reversal of 1140816288 is 8826180411.

It is a tau number, because it is divible by the number of its divisors (48).

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, 91383 + ... + 103113.

It is an arithmetic number, because the mean of its divisors is an integer number (62455302).

Almost surely, 2^1140816288 is an apocalyptic number.

It is an amenable number.

1140816288 is an abundant number, since it is smaller than the sum of its proper divisors (1857038208).

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

1140816288 is a wasteful number, since it uses less digits than its factorization.

1140816288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12757 (or 12749 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 39.

The square root of 1140816288 is about 33775.9720511490. The cubic root of 1140816288 is about 1044.8932036797.

Adding to 1140816288 its reverse (8826180411), we get a palindrome (9966996699).

The spelling of 1140816288 in words is "one billion, one hundred forty million, eight hundred sixteen thousand, two hundred eighty-eight".