1344040011 has 24 divisors (see below), whose sum is σ = 1995772896. Its totient is φ = 871274880.

The previous prime is 1344039989. The next prime is 1344040013. The reversal of 1344040011 is 1100404431.

It is not a de Polignac number, because 1344040011 - 2⁵ = 1344039979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1344040013) 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 23 ways as a sum of consecutive naturals, for example, 32241 + ... + 61053.

It is an arithmetic number, because the mean of its divisors is an integer number (83157204).

Almost surely, 2^1344040011 is an apocalyptic number.

1344040011 is a deficient number, since it is larger than the sum of its proper divisors (651732885).

1344040011 is a wasteful number, since it uses less digits than its factorization.

1344040011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28963 (or 28960 counting only the distinct ones).

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

The square root of 1344040011 is about 36661.1512503358. The cubic root of 1344040011 is about 1103.5806215663.

Adding to 1344040011 its reverse (1100404431), we get a palindrome (2444444442).

The spelling of 1344040011 in words is "one billion, three hundred forty-four million, forty thousand, eleven".