340322004220040 has 16 divisors (see below), whose sum is σ = 765724509495180. Its totient is φ = 136128801688000.

The previous prime is 340322004220031. The next prime is 340322004220057. The reversal of 340322004220040 is 40022400223043.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 334096470229636 + 6225533990404 = 18278306^2 + 2495102^2 .

It is a junction number, because it is equal to n+sod(n) for n = 340322004219991 and 340322004220009.

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, 4254025052711 + ... + 4254025052790.

Almost surely, 2^{340322004220040} is an apocalyptic number.

It is an amenable number.

340322004220040 is an abundant number, since it is smaller than the sum of its proper divisors (425402505275140).

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

340322004220040 is a wasteful number, since it uses less digits than its factorization.

340322004220040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8508050105512 (or 8508050105508 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 340322004220040 its reverse (40022400223043), we get a palindrome (380344404443083).

The spelling of 340322004220040 in words is "three hundred forty trillion, three hundred twenty-two billion, four million, two hundred twenty thousand, forty".