340440456412 has 12 divisors (see below), whose sum is σ = 680880912880. Its totient is φ = 145903052736.

The previous prime is 340440456403. The next prime is 340440456443. The reversal of 340440456412 is 214654044043.

340440456412 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6079293837 + ... + 6079293892.

Almost surely, 2^340440456412 is an apocalyptic number.

It is an amenable number.

340440456412 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.

340440456412 is a wasteful number, since it uses less digits than its factorization.

340440456412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12158587740 (or 12158587738 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 37.

The spelling of 340440456412 in words is "three hundred forty billion, four hundred forty million, four hundred fifty-six thousand, four hundred twelve".