1340266347266 has 128 divisors (see below), whose sum is σ = 2713587609600. Its totient is φ = 490464441600.

The previous prime is 1340266347257. The next prime is 1340266347271. The reversal of 1340266347266 is 6627436620431.

It is a super-2 number, since 2×1340266347266² (a number of 25 digits) contains 22 as substring.

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 63 ways as a sum of consecutive naturals, for example, 64515461 + ... + 64536231.

It is an arithmetic number, because the mean of its divisors is an integer number (21199903200).

Almost surely, 2^{1340266347266} is an apocalyptic number.

1340266347266 is an abundant number, since it is smaller than the sum of its proper divisors (1373321262334).

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

1340266347266 is a wasteful number, since it uses less digits than its factorization.

1340266347266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21325 (or 21311 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 50.

The spelling of 1340266347266 in words is "one trillion, three hundred forty billion, two hundred sixty-six million, three hundred forty-seven thousand, two hundred sixty-six".