1180442649 has 8 divisors (see below), whose sum is σ = 1597415200. Its totient is φ = 775215936.

The previous prime is 1180442629. The next prime is 1180442671. The reversal of 1180442649 is 9462440811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1180442649 - 2¹⁹ = 1179918361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1180442609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2936224 + ... + 2936625.

It is an arithmetic number, because the mean of its divisors is an integer number (199676900).

Almost surely, 2^1180442649 is an apocalyptic number.

It is an amenable number.

1180442649 is a deficient number, since it is larger than the sum of its proper divisors (416972551).

1180442649 is an equidigital number, since it uses as much as digits as its factorization.

1180442649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5872919.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 1180442649 is about 34357.5704758063. The cubic root of 1180442649 is about 1056.8539234433.

The spelling of 1180442649 in words is "one billion, one hundred eighty million, four hundred forty-two thousand, six hundred forty-nine".