1344223240 has 32 divisors (see below), whose sum is σ = 3122069760. Its totient is φ = 520344000.

The previous prime is 1344223169. The next prime is 1344223249. The reversal of 1344223240 is 423224431.

It is a happy number.

It is a super-2 number, since 2×1344223240² = 3613872237912195200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1344223249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 540786 + ... + 543265.

It is an arithmetic number, because the mean of its divisors is an integer number (97564680).

Almost surely, 2^1344223240 is an apocalyptic number.

1344223240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1344223240 is an abundant number, since it is smaller than the sum of its proper divisors (1777846520).

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

1344223240 is a wasteful number, since it uses less digits than its factorization.

1344223240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084093 (or 1084089 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 1344223240 is about 36663.6501183393. The cubic root of 1344223240 is about 1103.6307685818.

Adding to 1344223240 its reverse (423224431), we get a palindrome (1767447671).

The spelling of 1344223240 in words is "one billion, three hundred forty-four million, two hundred twenty-three thousand, two hundred forty".