340406463255 has 32 divisors (see below), whose sum is σ = 573349328640. Its totient is φ = 171984890880.

The previous prime is 340406463223. The next prime is 340406463263. The reversal of 340406463255 is 552364604043.

It is a happy number.

It is not a de Polignac number, because 340406463255 - 2⁵ = 340406463223 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9732679 + ... + 9767591.

It is an arithmetic number, because the mean of its divisors is an integer number (17917166520).

Almost surely, 2^340406463255 is an apocalyptic number.

340406463255 is a deficient number, since it is larger than the sum of its proper divisors (232942865385).

340406463255 is a wasteful number, since it uses less digits than its factorization.

340406463255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69151.

The product of its (nonzero) digits is 1036800, while the sum is 42.

The spelling of 340406463255 in words is "three hundred forty billion, four hundred six million, four hundred sixty-three thousand, two hundred fifty-five".