340838669406 has 8 divisors (see below), whose sum is σ = 681677338824. Its totient is φ = 113612889800.

The previous prime is 340838669399. The next prime is 340838669407. The reversal of 340838669406 is 604966838043.

It is a happy number.

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

340838669406 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340838669407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28403222445 + ... + 28403222456.

It is an arithmetic number, because the mean of its divisors is an integer number (85209667353).

Almost surely, 2^340838669406 is an apocalyptic number.

340838669406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

340838669406 is a wasteful number, since it uses less digits than its factorization.

340838669406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56806444906.

The product of its (nonzero) digits is 17915904, while the sum is 57.

The spelling of 340838669406 in words is "three hundred forty billion, eight hundred thirty-eight million, six hundred sixty-nine thousand, four hundred six".