1344040541 has 4 divisors (see below), whose sum is σ = 1344154812. Its totient is φ = 1343926272.

The previous prime is 1344040483. The next prime is 1344040543. The reversal of 1344040541 is 1450404431.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 782824441 + 561216100 = 27979^2 + 23690^2 .

It is a cyclic number.

It is not a de Polignac number, because 1344040541 - 2¹⁰ = 1344039517 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1344040541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344040543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37166 + ... + 63791.

It is an arithmetic number, because the mean of its divisors is an integer number (336038703).

Almost surely, 2^1344040541 is an apocalyptic number.

It is an amenable number.

1344040541 is a deficient number, since it is larger than the sum of its proper divisors (114271).

1344040541 is a wasteful number, since it uses less digits than its factorization.

1344040541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114270.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 1344040541 is about 36661.1584786951. The cubic root of 1344040541 is about 1103.5807666259.

Adding to 1344040541 its reverse (1450404431), we get a palindrome (2794444972).

The spelling of 1344040541 in words is "one billion, three hundred forty-four million, forty thousand, five hundred forty-one".