340555111 has 12 divisors (see below), whose sum is σ = 369567768. Its totient is φ = 313676064.

The previous prime is 340555099. The next prime is 340555151. The reversal of 340555111 is 111555043.

It is a happy number.

It is not a de Polignac number, because 340555111 - 2¹¹ = 340553063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340555151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86461 + ... + 90313.

It is an arithmetic number, because the mean of its divisors is an integer number (30797314).

Almost surely, 2^340555111 is an apocalyptic number.

340555111 is the 10655-th hex number.

340555111 is a deficient number, since it is larger than the sum of its proper divisors (29012657).

340555111 is a wasteful number, since it uses less digits than its factorization.

340555111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4402 (or 4389 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 340555111 is about 18454.1353360162. The cubic root of 340555111 is about 698.3328427659.

The spelling of 340555111 in words is "three hundred forty million, five hundred fifty-five thousand, one hundred eleven".