1340400040397 has 8 divisors (see below), whose sum is σ = 1482285475200. Its totient is φ = 1201853086560.

The previous prime is 1340400040381. The next prime is 1340400040423. The reversal of 1340400040397 is 7930400040431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1340400040397 - 2⁴ = 1340400040381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340400040307) by changing a digit.

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, 834619397 + ... + 834621002.

It is an arithmetic number, because the mean of its divisors is an integer number (185285684400).

Almost surely, 2^{1340400040397} is an apocalyptic number.

It is an amenable number.

1340400040397 is a deficient number, since it is larger than the sum of its proper divisors (141885434803).

1340400040397 is a wasteful number, since it uses less digits than its factorization.

1340400040397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1669240483.

The product of its (nonzero) digits is 36288, while the sum is 35.

The spelling of 1340400040397 in words is "one trillion, three hundred forty billion, four hundred million, forty thousand, three hundred ninety-seven".