1344078780 has 192 divisors, whose sum is σ = 4273274880. Its totient is φ = 312710400.

The previous prime is 1344078779. The next prime is 1344078793. The reversal of 1344078780 is 878704431.

It is a congruent number.

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, 3662157 + ... + 3662523.

It is an arithmetic number, because the mean of its divisors is an integer number (22256640).

Almost surely, 2^1344078780 is an apocalyptic number.

1344078780 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 1344078780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2136637440).

1344078780 is an abundant number, since it is smaller than the sum of its proper divisors (2929196100).

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

1344078780 is a wasteful number, since it uses less digits than its factorization.

1344078780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600 (or 598 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 1344078780 is about 36661.6799942392. The cubic root of 1344078780 is about 1103.5912324374.

The spelling of 1344078780 in words is "one billion, three hundred forty-four million, seventy-eight thousand, seven hundred eighty".