1158340468 has 12 divisors (see below), whose sum is σ = 2060327332. Its totient is φ = 569675520.

The previous prime is 1158340439. The next prime is 1158340481. The reversal of 1158340468 is 8640438511.

It can be written as a sum of positive squares in 2 ways, for example, as 625100004 + 533240464 = 25002^2 + 23092^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1158340468.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2373405 + ... + 2373892.

Almost surely, 2^1158340468 is an apocalyptic number.

It is an amenable number.

1158340468 is a deficient number, since it is larger than the sum of its proper divisors (901986864).

1158340468 is a wasteful number, since it uses less digits than its factorization.

1158340468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4747362 (or 4747360 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 1158340468 is about 34034.4012434478. The cubic root of 1158340468 is about 1050.2162723062.

Adding to 1158340468 its reverse (8640438511), we get a palindrome (9798778979).

The spelling of 1158340468 in words is "one billion, one hundred fifty-eight million, three hundred forty thousand, four hundred sixty-eight".