1140340410 has 128 divisors (see below), whose sum is σ = 3335904000. Its totient is φ = 274901760.

The previous prime is 1140340381. The next prime is 1140340417. The reversal of 1140340410 is 140430411.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1140340417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 584116 + ... + 586064.

It is an arithmetic number, because the mean of its divisors is an integer number (26061750).

Almost surely, 2^1140340410 is an apocalyptic number.

1140340410 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 1140340410, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1667952000).

1140340410 is an abundant number, since it is smaller than the sum of its proper divisors (2195563590).

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

1140340410 is a wasteful number, since it uses less digits than its factorization.

1140340410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2173 (or 2167 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1140340410 is about 33768.9266930413. The cubic root of 1140340410 is about 1044.7478951994.

Adding to 1140340410 its reverse (140430411), we get a palindrome (1280770821).

Subtracting from 1140340410 its reverse (140430411), we obtain a palindrome (999909999).

The spelling of 1140340410 in words is "one billion, one hundred forty million, three hundred forty thousand, four hundred ten".