340605555025206 has 32 divisors (see below), whose sum is σ = 681451426861920. Its totient is φ = 113495136701184.

The previous prime is 340605555025091. The next prime is 340605555025289. The reversal of 340605555025206 is 602520555506043.

It is a happy number.

It is a super-2 number, since 2×340605555025206² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307517730 + ... + 308623338.

It is an arithmetic number, because the mean of its divisors is an integer number (21295357089435).

Almost surely, 2^{340605555025206} is an apocalyptic number.

340605555025206 is an abundant number, since it is smaller than the sum of its proper divisors (340845871836714).

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

340605555025206 is a wasteful number, since it uses less digits than its factorization.

340605555025206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123680.

The product of its (nonzero) digits is 5400000, while the sum is 48.

The spelling of 340605555025206 in words is "three hundred forty trillion, six hundred five billion, five hundred fifty-five million, twenty-five thousand, two hundred six".