340313421156 has 12 divisors (see below), whose sum is σ = 794064649392. Its totient is φ = 113437807048.

The previous prime is 340313421137. The next prime is 340313421157. The reversal of 340313421156 is 651124313043.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (340313421157) 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 3 ways as a sum of consecutive naturals, for example, 14179725870 + ... + 14179725893.

It is an arithmetic number, because the mean of its divisors is an integer number (66172054116).

Almost surely, 2^340313421156 is an apocalyptic number.

It is an amenable number.

340313421156 is an abundant number, since it is smaller than the sum of its proper divisors (453751228236).

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

340313421156 is a wasteful number, since it uses less digits than its factorization.

340313421156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28359451770 (or 28359451768 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

Adding to 340313421156 its reverse (651124313043), we get a palindrome (991437734199).

The spelling of 340313421156 in words is "three hundred forty billion, three hundred thirteen million, four hundred twenty-one thousand, one hundred fifty-six".