340340400407 has 32 divisors (see below), whose sum is σ = 412681843200. Its totient is φ = 274178556288.

The previous prime is 340340400397. The next prime is 340340400409. The reversal of 340340400407 is 704004043043.

It is not a de Polignac number, because 340340400407 - 2⁶ = 340340400343 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 340340400407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340340400409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13748213 + ... + 13772945.

It is an arithmetic number, because the mean of its divisors is an integer number (12896307600).

Almost surely, 2^340340400407 is an apocalyptic number.

340340400407 is a deficient number, since it is larger than the sum of its proper divisors (72341442793).

340340400407 is a wasteful number, since it uses less digits than its factorization.

340340400407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25575.

The product of its (nonzero) digits is 16128, while the sum is 29.

The spelling of 340340400407 in words is "three hundred forty billion, three hundred forty million, four hundred thousand, four hundred seven".