340631318399 has 8 divisors (see below), whose sum is σ = 352410445920. Its totient is φ = 328854405600.

The previous prime is 340631318369. The next prime is 340631318441. The reversal of 340631318399 is 993813136043.

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 340631318399 - 2⁸ = 340631318143 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 (340631318329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237692 + ... + 858929.

It is an arithmetic number, because the mean of its divisors is an integer number (44051305740).

Almost surely, 2^340631318399 is an apocalyptic number.

340631318399 is a deficient number, since it is larger than the sum of its proper divisors (11779127521).

340631318399 is a wasteful number, since it uses less digits than its factorization.

340631318399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107361.

The product of its (nonzero) digits is 1259712, while the sum is 50.

The spelling of 340631318399 in words is "three hundred forty billion, six hundred thirty-one million, three hundred eighteen thousand, three hundred ninety-nine".