1159163040 has 384 divisors, whose sum is σ = 4368494592. Its totient is φ = 252887040.

The previous prime is 1159163011. The next prime is 1159163041. The reversal of 1159163040 is 403619511.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1159162989 and 1159163007.

It is not an unprimeable number, because it can be changed into a prime (1159163041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10258024 + ... + 10258136.

It is an arithmetic number, because the mean of its divisors is an integer number (11376288).

Almost surely, 2^1159163040 is an apocalyptic number.

1159163040 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 1159163040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2184247296).

1159163040 is an abundant number, since it is smaller than the sum of its proper divisors (3209331552).

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

1159163040 is a wasteful number, since it uses less digits than its factorization.

1159163040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 1159163040 is about 34046.4835188599. The cubic root of 1159163040 is about 1050.4648100823.

The spelling of 1159163040 in words is "one billion, one hundred fifty-nine million, one hundred sixty-three thousand, forty".