340727536640 has 44 divisors (see below), whose sum is σ = 817346810136. Its totient is φ = 136291012608.

The previous prime is 340727536601. The next prime is 340727536651. The reversal of 340727536640 is 46635727043.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33269054 + ... + 33279293.

Almost surely, 2^340727536640 is an apocalyptic number.

It is an amenable number.

340727536640 is an abundant number, since it is smaller than the sum of its proper divisors (476619273496).

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

340727536640 is an equidigital number, since it uses as much as digits as its factorization.

340727536640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66548372 (or 66548354 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 47.

The spelling of 340727536640 in words is "three hundred forty billion, seven hundred twenty-seven million, five hundred thirty-six thousand, six hundred forty".