1115522340 has 48 divisors (see below), whose sum is σ = 3196108608. Its totient is φ = 290553984.

The previous prime is 1115522279. The next prime is 1115522347. The reversal of 1115522340 is 432255111.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1115522340.

It is not an unprimeable number, because it can be changed into a prime (1115522347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213607 + ... + 218766.

It is an arithmetic number, because the mean of its divisors is an integer number (66585596).

Almost surely, 2^1115522340 is an apocalyptic number.

1115522340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1115522340 is an abundant number, since it is smaller than the sum of its proper divisors (2080586268).

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

1115522340 is a wasteful number, since it uses less digits than its factorization.

1115522340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432428 (or 432426 counting only the distinct ones).

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

The square root of 1115522340 is about 33399.4362227868. The cubic root of 1115522340 is about 1037.1130301174.

Adding to 1115522340 its reverse (432255111), we get a palindrome (1547777451).

The spelling of 1115522340 in words is "one billion, one hundred fifteen million, five hundred twenty-two thousand, three hundred forty".