1158240330 has 128 divisors (see below), whose sum is σ = 3369139200. Its totient is φ = 281428992.

The previous prime is 1158240329. The next prime is 1158240331. The reversal of 1158240330 is 330428511.

It is a happy number.

1158240330 is a `hidden beast` number, since 11 + 582 + 40 + 3 + 30 = 666.

It is an interprime number because it is at equal distance from previous prime (1158240329) and next prime (1158240331).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1158240294 and 1158240303.

It is not an unprimeable number, because it can be changed into a prime (1158240331) 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 63 ways as a sum of consecutive naturals, for example, 275202 + ... + 279378.

It is an arithmetic number, because the mean of its divisors is an integer number (26321400).

Almost surely, 2^1158240330 is an apocalyptic number.

1158240330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1158240330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1684569600).

1158240330 is an abundant number, since it is smaller than the sum of its proper divisors (2210898870).

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

1158240330 is a wasteful number, since it uses less digits than its factorization.

1158240330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4285 (or 4279 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1158240330 is about 34032.9300824951. The cubic root of 1158240330 is about 1050.1860078630.

Adding to 1158240330 its reverse (330428511), we get a palindrome (1488668841).

The spelling of 1158240330 in words is "one billion, one hundred fifty-eight million, two hundred forty thousand, three hundred thirty".