340402140445522 has 8 divisors (see below), whose sum is σ = 514276615062000. Its totient is φ = 168976602091524.

The previous prime is 340402140445511. The next prime is 340402140445529. The reversal of 340402140445522 is 225544041204043.

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

It is not an unprimeable number, because it can be changed into a prime (340402140445529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 612234065272 + ... + 612234065827.

It is an arithmetic number, because the mean of its divisors is an integer number (64284576882750).

Almost surely, 2^{340402140445522} is an apocalyptic number.

340402140445522 is a deficient number, since it is larger than the sum of its proper divisors (173874474616478).

340402140445522 is a wasteful number, since it uses less digits than its factorization.

340402140445522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224468131240.

The product of its (nonzero) digits is 614400, while the sum is 40.

Adding to 340402140445522 its reverse (225544041204043), we get a palindrome (565946181649565).

The spelling of 340402140445522 in words is "three hundred forty trillion, four hundred two billion, one hundred forty million, four hundred forty-five thousand, five hundred twenty-two".