1115450340 has 48 divisors (see below), whose sum is σ = 3130084608. Its totient is φ = 296803584.

The previous prime is 1115450299. The next prime is 1115450351. The reversal of 1115450340 is 430545111.

It is a happy number.

1115450340 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1115450340² = 2488458922012231200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1115450340.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7704 + ... + 47856.

It is an arithmetic number, because the mean of its divisors is an integer number (65210096).

Almost surely, 2^1115450340 is an apocalyptic number.

1115450340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1115450340 is an abundant number, since it is smaller than the sum of its proper divisors (2014634268).

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

1115450340 is a wasteful number, since it uses less digits than its factorization.

1115450340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40628 (or 40626 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1115450340 is about 33398.3583428887. The cubic root of 1115450340 is about 1037.0907165811.

Adding to 1115450340 its reverse (430545111), we get a palindrome (1545995451).

The spelling of 1115450340 in words is "one billion, one hundred fifteen million, four hundred fifty thousand, three hundred forty".