1340040244304 has 40 divisors (see below), whose sum is σ = 2615571640320. Its totient is φ = 665060976000.

The previous prime is 1340040244303. The next prime is 1340040244313. The reversal of 1340040244304 is 4034420400431.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340040244303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2873234 + ... + 3306894.

It is an arithmetic number, because the mean of its divisors is an integer number (65389291008).

Almost surely, 2^{1340040244304} is an apocalyptic number.

It is an amenable number.

1340040244304 is a deficient number, since it is larger than the sum of its proper divisors (1275531396016).

1340040244304 is a wasteful number, since it uses less digits than its factorization.

1340040244304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435099 (or 435093 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 1340040244304 its reverse (4034420400431), we get a palindrome (5374460644735).

The spelling of 1340040244304 in words is "one trillion, three hundred forty billion, forty million, two hundred forty-four thousand, three hundred four".