340665013456 has 20 divisors (see below), whose sum is σ = 666842986852. Its totient is φ = 168576500736.

The previous prime is 340665013417. The next prime is 340665013471. The reversal of 340665013456 is 654310566043.

It can be written as a sum of positive squares in 2 ways, for example, as 238339240000 + 102325773456 = 488200^2 + 319884^2 .

It is a super-2 number, since 2×340665013456² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109748775 + ... + 109751878.

Almost surely, 2^340665013456 is an apocalyptic number.

It is an amenable number.

340665013456 is a deficient number, since it is larger than the sum of its proper divisors (326177973396).

340665013456 is a wasteful number, since it uses less digits than its factorization.

340665013456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219500758 (or 219500752 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 43.

Adding to 340665013456 its reverse (654310566043), we get a palindrome (994975579499).

The spelling of 340665013456 in words is "three hundred forty billion, six hundred sixty-five million, thirteen thousand, four hundred fifty-six".