1340773344 has 96 divisors (see below), whose sum is σ = 3947408640. Its totient is φ = 442717056.

The previous prime is 1340773319. The next prime is 1340773367. The reversal of 1340773344 is 4433770431.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1340773299 and 1340773308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85197 + ... + 99699.

It is an arithmetic number, because the mean of its divisors is an integer number (41118840).

Almost surely, 2^1340773344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1340773344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1973704320).

1340773344 is an abundant number, since it is smaller than the sum of its proper divisors (2606635296).

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

1340773344 is a wasteful number, since it uses less digits than its factorization.

1340773344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14629 (or 14615 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 36.

The square root of 1340773344 is about 36616.5719859192. The cubic root of 1340773344 is about 1102.6858180946.

The spelling of 1340773344 in words is "one billion, three hundred forty million, seven hundred seventy-three thousand, three hundred forty-four".