1340433454415 has 8 divisors (see below), whose sum is σ = 1754749249488. Its totient is φ = 974860694080.

The previous prime is 1340433454379. The next prime is 1340433454417. The reversal of 1340433454415 is 5144543340431.

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

It is not a de Polignac number, because 1340433454415 - 2⁶ = 1340433454351 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 (1340433454417) 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, 12185758622 + ... + 12185758731.

It is an arithmetic number, because the mean of its divisors is an integer number (219343656186).

Almost surely, 2^{1340433454415} is an apocalyptic number.

1340433454415 is a deficient number, since it is larger than the sum of its proper divisors (414315795073).

1340433454415 is a wasteful number, since it uses less digits than its factorization.

1340433454415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24371517369.

The product of its (nonzero) digits is 691200, while the sum is 41.

Adding to 1340433454415 its reverse (5144543340431), we get a palindrome (6484976794846).

The spelling of 1340433454415 in words is "one trillion, three hundred forty billion, four hundred thirty-three million, four hundred fifty-four thousand, four hundred fifteen".