1340711444 has 6 divisors (see below), whose sum is σ = 2346245034. Its totient is φ = 670355720.

The previous prime is 1340711431. The next prime is 1340711461. The reversal of 1340711444 is 4441170431.

It can be written as a sum of positive squares in only one way, i.e., 864948100 + 475763344 = 29410^2 + 21812^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167588927 + ... + 167588934.

It is an arithmetic number, because the mean of its divisors is an integer number (391040839).

Almost surely, 2^1340711444 is an apocalyptic number.

It is an amenable number.

1340711444 is a deficient number, since it is larger than the sum of its proper divisors (1005533590).

1340711444 is a wasteful number, since it uses less digits than its factorization.

1340711444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335177865 (or 335177863 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 1340711444 is about 36615.7267304638. The cubic root of 1340711444 is about 1102.6688484596.

Adding to 1340711444 its reverse (4441170431), we get a palindrome (5781881875).

The spelling of 1340711444 in words is "one billion, three hundred forty million, seven hundred eleven thousand, four hundred forty-four".