340321155 has 16 divisors (see below), whose sum is σ = 545959680. Its totient is φ = 181022688.

The previous prime is 340321151. The next prime is 340321159. The reversal of 340321155 is 551123043.

It is an interprime number because it is at equal distance from previous prime (340321151) and next prime (340321159).

It is not a de Polignac number, because 340321155 - 2² = 340321151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (340321151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24247 + ... + 35616.

It is an arithmetic number, because the mean of its divisors is an integer number (34122480).

Almost surely, 2^340321155 is an apocalyptic number.

340321155 is a deficient number, since it is larger than the sum of its proper divisors (205638525).

340321155 is a wasteful number, since it uses less digits than its factorization.

340321155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60250.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 340321155 is about 18447.7953967405. The cubic root of 340321155 is about 698.1728915759.

Adding to 340321155 its reverse (551123043), we get a palindrome (891444198).

The spelling of 340321155 in words is "three hundred forty million, three hundred twenty-one thousand, one hundred fifty-five".