340252155 has 24 divisors (see below), whose sum is σ = 590383248. Its totient is φ = 181279296.

The previous prime is 340252151. The next prime is 340252169. The reversal of 340252155 is 551252043.

It is a happy number.

It is not a de Polignac number, because 340252155 - 2² = 340252151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (340252151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47169 + ... + 53901.

It is an arithmetic number, because the mean of its divisors is an integer number (24599302).

Almost surely, 2^340252155 is an apocalyptic number.

340252155 is a deficient number, since it is larger than the sum of its proper divisors (250131093).

340252155 is a wasteful number, since it uses less digits than its factorization.

340252155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7867 (or 7864 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 340252155 is about 18445.9251597744. The cubic root of 340252155 is about 698.1257036135.

The spelling of 340252155 in words is "three hundred forty million, two hundred fifty-two thousand, one hundred fifty-five".