1340414344 has 8 divisors (see below), whose sum is σ = 2513276910. Its totient is φ = 670207168.

The previous prime is 1340414321. The next prime is 1340414381. The reversal of 1340414344 is 4434140431.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 737122500 + 603291844 = 27150^2 + 24562^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1340414344² = 3593421227201900672, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83775889 + ... + 83775904.

Almost surely, 2^1340414344 is an apocalyptic number.

It is an amenable number.

1340414344 is a deficient number, since it is larger than the sum of its proper divisors (1172862566).

1340414344 is a wasteful number, since it uses less digits than its factorization.

1340414344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167551799 (or 167551795 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 1340414344 is about 36611.6695057737. The cubic root of 1340414344 is about 1102.5873924242.

Adding to 1340414344 its reverse (4434140431), we get a palindrome (5774554775).

The spelling of 1340414344 in words is "one billion, three hundred forty million, four hundred fourteen thousand, three hundred forty-four".