340686486242 has 16 divisors (see below), whose sum is σ = 513052725120. Its totient is φ = 169669421712.

The previous prime is 340686486211. The next prime is 340686486253. The reversal of 340686486242 is 242684686043.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1222484 + ... + 1475072.

It is an arithmetic number, because the mean of its divisors is an integer number (32065795320).

Almost surely, 2^340686486242 is an apocalyptic number.

340686486242 is a deficient number, since it is larger than the sum of its proper divisors (172366238878).

340686486242 is a wasteful number, since it uses less digits than its factorization.

340686486242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255257.

The product of its (nonzero) digits is 10616832, while the sum is 53.

The spelling of 340686486242 in words is "three hundred forty billion, six hundred eighty-six million, four hundred eighty-six thousand, two hundred forty-two".