1140850688 has 54 divisors (see below), whose sum is σ = 2415919086. Its totient is φ = 536870912.

The previous prime is 1140850681. The next prime is 1140850699. The reversal of 1140850688 is 8860580411.

It can be written as a sum of positive squares in only one way, i.e., 1073741824 + 67108864 = 32768^2 + 8192^2 .

It is a nialpdrome in base 16.

It is a zygodrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1140850681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (2) of ones.

In principle, a polygon with 1140850688 sides can be constructed with ruler and compass.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67108856 + ... + 67108872.

Almost surely, 2^1140850688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1140850688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1207959543).

1140850688 is an abundant number, since it is smaller than the sum of its proper divisors (1275068398).

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

1140850688 is an frugal number, since it uses more digits than its factorization.

1140850688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69 (or 19 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 41.

The square root of 1140850688 is about 33776.4812850599. The cubic root of 1140850688 is about 1044.9037060908.

The spelling of 1140850688 in words is "one billion, one hundred forty million, eight hundred fifty thousand, six hundred eighty-eight".