1344243140 has 48 divisors (see below), whose sum is σ = 2857680000. Its totient is φ = 531105792.

The previous prime is 1344243133. The next prime is 1344243157. The reversal of 1344243140 is 413424431.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 960161 + ... + 961559.

It is an arithmetic number, because the mean of its divisors is an integer number (59535000).

Almost surely, 2^1344243140 is an apocalyptic number.

1344243140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1344243140 is an abundant number, since it is smaller than the sum of its proper divisors (1513436860).

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

1344243140 is a wasteful number, since it uses less digits than its factorization.

1344243140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1964 (or 1962 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 1344243140 is about 36663.9215032980. The cubic root of 1344243140 is about 1103.6362146375.

Adding to 1344243140 its reverse (413424431), we get a palindrome (1757667571).

The spelling of 1344243140 in words is "one billion, three hundred forty-four million, two hundred forty-three thousand, one hundred forty".