1344144220 has 12 divisors (see below), whose sum is σ = 2822702904. Its totient is φ = 537657680.

The previous prime is 1344144187. The next prime is 1344144223. The reversal of 1344144220 is 224414431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344144223) 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, 33603586 + ... + 33603625.

It is an arithmetic number, because the mean of its divisors is an integer number (235225242).

Almost surely, 2^1344144220 is an apocalyptic number.

1344144220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1344144220 is an abundant number, since it is smaller than the sum of its proper divisors (1478558684).

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

1344144220 is a wasteful number, since it uses less digits than its factorization.

1344144220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67207220 (or 67207218 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 1344144220 is about 36662.5724683907. The cubic root of 1344144220 is about 1103.6091425577.

Adding to 1344144220 its reverse (224414431), we get a palindrome (1568558651).

The spelling of 1344144220 in words is "one billion, three hundred forty-four million, one hundred forty-four thousand, two hundred twenty".