1180835840 has 112 divisors (see below), whose sum is σ = 2868728832. Its totient is φ = 466550784.

The previous prime is 1180835819. The next prime is 1180835863. The reversal of 1180835840 is 485380811.

It is a junction number, because it is equal to n+sod(n) for n = 1180835794 and 1180835803.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5201807 + ... + 5202033.

Almost surely, 2^1180835840 is an apocalyptic number.

1180835840 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 1180835840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1434364416).

1180835840 is an abundant number, since it is smaller than the sum of its proper divisors (1687892992).

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

1180835840 is an equidigital number, since it uses as much as digits as its factorization.

1180835840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385 (or 361 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 38.

The square root of 1180835840 is about 34363.2920425270. The cubic root of 1180835840 is about 1056.9712521200.

The spelling of 1180835840 in words is "one billion, one hundred eighty million, eight hundred thirty-five thousand, eight hundred forty".