340140436738 has 8 divisors (see below), whose sum is σ = 510264542988. Its totient is φ = 170052255744.

The previous prime is 340140436703. The next prime is 340140436751. The reversal of 340140436738 is 837634041043.

It can be written as a sum of positive squares in 2 ways, for example, as 337715563689 + 2424873049 = 581133^2 + 49243^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 340140436694 and 340140436703.

It is an unprimeable number.

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, 8957631 + ... + 8995522.

Almost surely, 2^340140436738 is an apocalyptic number.

340140436738 is a deficient number, since it is larger than the sum of its proper divisors (170124106250).

340140436738 is a wasteful number, since it uses less digits than its factorization.

340140436738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17962628.

The product of its (nonzero) digits is 580608, while the sum is 43.

The spelling of 340140436738 in words is "three hundred forty billion, one hundred forty million, four hundred thirty-six thousand, seven hundred thirty-eight".