1168311040 has 144 divisors (see below), whose sum is σ = 3065803776. Its totient is φ = 423936000.

The previous prime is 1168311037. The next prime is 1168311041. The reversal of 1168311040 is 401138611.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1168310996 and 1168311014.

It is not an unprimeable number, because it can be changed into a prime (1168311041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1014465 + ... + 1015615.

It is an arithmetic number, because the mean of its divisors is an integer number (21290304).

Almost surely, 2^1168311040 is an apocalyptic number.

1168311040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1168311040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1532901888).

1168311040 is an abundant number, since it is smaller than the sum of its proper divisors (1897492736).

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

1168311040 is a wasteful number, since it uses less digits than its factorization.

1168311040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246 (or 1232 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 1168311040 is about 34180.5652381584. The cubic root of 1168311040 is about 1053.2209604346.

Adding to 1168311040 its reverse (401138611), we get a palindrome (1569449651).

The spelling of 1168311040 in words is "one billion, one hundred sixty-eight million, three hundred eleven thousand, forty".