340424155 has 8 divisors (see below), whose sum is σ = 408903984. Its totient is φ = 272076000.

The previous prime is 340424153. The next prime is 340424171. The reversal of 340424155 is 551424043.

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

It is not a de Polignac number, because 340424155 - 2¹ = 340424153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340424153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27136 + ... + 37645.

It is an arithmetic number, because the mean of its divisors is an integer number (51112998).

Almost surely, 2^340424155 is an apocalyptic number.

340424155 is a deficient number, since it is larger than the sum of its proper divisors (68479829).

340424155 is a wasteful number, since it uses less digits than its factorization.

340424155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65837.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 340424155 is about 18450.5868470355. The cubic root of 340424155 is about 698.2433197124.

Adding to 340424155 its reverse (551424043), we get a palindrome (891848198).

The spelling of 340424155 in words is "three hundred forty million, four hundred twenty-four thousand, one hundred fifty-five".