1140115344 has 40 divisors (see below), whose sum is σ = 2947742880. Its totient is φ = 379723008.

The previous prime is 1140115279. The next prime is 1140115363. The reversal of 1140115344 is 4435110411.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52659 + ... + 71085.

It is an arithmetic number, because the mean of its divisors is an integer number (73693572).

Almost surely, 2^1140115344 is an apocalyptic number.

It is an amenable number.

1140115344 is an abundant number, since it is smaller than the sum of its proper divisors (1807627536).

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

1140115344 is a wasteful number, since it uses less digits than its factorization.

1140115344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19727 (or 19721 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 1140115344 is about 33765.5940862885. The cubic root of 1140115344 is about 1044.6791576251.

Adding to 1140115344 its reverse (4435110411), we get a palindrome (5575225755).

The spelling of 1140115344 in words is "one billion, one hundred forty million, one hundred fifteen thousand, three hundred forty-four".