1344505344 has 160 divisors (see below), whose sum is σ = 4408884480. Its totient is φ = 354557952.

The previous prime is 1344505339. The next prime is 1344505361. The reversal of 1344505344 is 4435054431.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134967 + ... + 144585.

It is an arithmetic number, because the mean of its divisors is an integer number (27555528).

Almost surely, 2^1344505344 is an apocalyptic number.

1344505344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1344505344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2204442240).

1344505344 is an abundant number, since it is smaller than the sum of its proper divisors (3064379136).

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

1344505344 is an equidigital number, since it uses as much as digits as its factorization.

1344505344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9660 (or 9644 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

The square root of 1344505344 is about 36667.4971057475. The cubic root of 1344505344 is about 1103.7079672861.

Adding to 1344505344 its reverse (4435054431), we get a palindrome (5779559775).

The spelling of 1344505344 in words is "one billion, three hundred forty-four million, five hundred five thousand, three hundred forty-four".