1158315040 has 24 divisors (see below), whose sum is σ = 2736519660. Its totient is φ = 463325952.

The previous prime is 1158315023. The next prime is 1158315061. The reversal of 1158315040 is 405138511.

It can be written as a sum of positive squares in 2 ways, for example, as 956788624 + 201526416 = 30932^2 + 14196^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3619575 + ... + 3619894.

Almost surely, 2^1158315040 is an apocalyptic number.

1158315040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1158315040 is an abundant number, since it is smaller than the sum of its proper divisors (1578204620).

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

1158315040 is an equidigital number, since it uses as much as digits as its factorization.

1158315040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7239484 (or 7239476 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 1158315040 is about 34034.0276781929. The cubic root of 1158315040 is about 1050.2085874342.

The spelling of 1158315040 in words is "one billion, one hundred fifty-eight million, three hundred fifteen thousand, forty".