1168309040 has 40 divisors (see below), whose sum is σ = 2789739600. Its totient is φ = 454692096.

The previous prime is 1168309019. The next prime is 1168309049. The reversal of 1168309040 is 409038611.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 1168308988 and 1168309006.

It is not an unprimeable number, because it can be changed into a prime (1168309049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194390 + ... + 200309.

It is an arithmetic number, because the mean of its divisors is an integer number (69743490).

Almost surely, 2^1168309040 is an apocalyptic number.

1168309040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1168309040 is an abundant number, since it is smaller than the sum of its proper divisors (1621430560).

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

1168309040 is a wasteful number, since it uses less digits than its factorization.

1168309040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394749 (or 394743 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 1168309040 is about 34180.5359817543. The cubic root of 1168309040 is about 1053.2203594408.

The spelling of 1168309040 in words is "one billion, one hundred sixty-eight million, three hundred nine thousand, forty".