1340241340 has 48 divisors (see below), whose sum is σ = 2852527104. Its totient is φ = 528897600.

The previous prime is 1340241311. The next prime is 1340241341. The reversal of 1340241340 is 431420431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340241341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 578785 + ... + 581095.

It is an arithmetic number, because the mean of its divisors is an integer number (59427648).

Almost surely, 2^1340241340 is an apocalyptic number.

1340241340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1340241340 is an abundant number, since it is smaller than the sum of its proper divisors (1512285764).

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

1340241340 is a wasteful number, since it uses less digits than its factorization.

1340241340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2698 (or 2696 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1340241340 is about 36609.3067402266. The cubic root of 1340241340 is about 1102.5399542975.

Adding to 1340241340 its reverse (431420431), we get a palindrome (1771661771).

The spelling of 1340241340 in words is "one billion, three hundred forty million, two hundred forty-one thousand, three hundred forty".