1344120420 has 192 divisors, whose sum is σ = 4146912000. Its totient is φ = 323979264.

The previous prime is 1344120403. The next prime is 1344120431. The reversal of 1344120420 is 240214431.

1344120420 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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 63 ways as a sum of consecutive naturals, for example, 3603354 + ... + 3603726.

It is an arithmetic number, because the mean of its divisors is an integer number (21598500).

Almost surely, 2^1344120420 is an apocalyptic number.

1344120420 is a gapful number since it is divisible by the number (10) 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 1344120420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2073456000).

1344120420 is an abundant number, since it is smaller than the sum of its proper divisors (2802791580).

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

1344120420 is a wasteful number, since it uses less digits than its factorization.

1344120420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542 (or 540 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1344120420 is about 36662.2478852566. The cubic root of 1344120420 is about 1103.6026288587.

Adding to 1344120420 its reverse (240214431), we get a palindrome (1584334851).

The spelling of 1344120420 in words is "one billion, three hundred forty-four million, one hundred twenty thousand, four hundred twenty".