1340666774340 has 24 divisors (see below), whose sum is σ = 3753866968320. Its totient is φ = 357511139808.

The previous prime is 1340666774333. The next prime is 1340666774357. The reversal of 1340666774340 is 434776660431.

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 7 ways as a sum of consecutive naturals, for example, 11172223060 + ... + 11172223179.

It is an arithmetic number, because the mean of its divisors is an integer number (156411123680).

Almost surely, 2^{1340666774340} is an apocalyptic number.

1340666774340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1340666774340 is an abundant number, since it is smaller than the sum of its proper divisors (2413200193980).

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

1340666774340 is a wasteful number, since it uses less digits than its factorization.

1340666774340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22344446251 (or 22344446249 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 51.

The spelling of 1340666774340 in words is "one trillion, three hundred forty billion, six hundred sixty-six million, seven hundred seventy-four thousand, three hundred forty".