340240155 has 8 divisors (see below), whose sum is σ = 544384272. Its totient is φ = 181461408.

The previous prime is 340240129. The next prime is 340240171. The reversal of 340240155 is 551042043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 340240155 - 2⁷ = 340240027 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11341324 + ... + 11341353.

It is an arithmetic number, because the mean of its divisors is an integer number (68048034).

Almost surely, 2^340240155 is an apocalyptic number.

340240155 is a deficient number, since it is larger than the sum of its proper divisors (204144117).

340240155 is a wasteful number, since it uses less digits than its factorization.

340240155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22682685.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 340240155 is about 18445.5998818146. The cubic root of 340240155 is about 698.1174963601.

Adding to 340240155 its reverse (551042043), we get a palindrome (891282198).

The spelling of 340240155 in words is "three hundred forty million, two hundred forty thousand, one hundred fifty-five".