340144401 has 16 divisors (see below), whose sum is σ = 473671296. Its totient is φ = 216708096.

The previous prime is 340144391. The next prime is 340144411. The reversal of 340144401 is 104441043.

It is an interprime number because it is at equal distance from previous prime (340144391) and next prime (340144411).

It is not a de Polignac number, because 340144401 - 2¹¹ = 340142353 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (340144411) 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, 144631 + ... + 146963.

It is an arithmetic number, because the mean of its divisors is an integer number (29604456).

Almost surely, 2^340144401 is an apocalyptic number.

It is an amenable number.

340144401 is a deficient number, since it is larger than the sum of its proper divisors (133526895).

340144401 is a wasteful number, since it uses less digits than its factorization.

340144401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4472.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 340144401 is about 18443.0041208042. The cubic root of 340144401 is about 698.0519996673.

Adding to 340144401 its reverse (104441043), we get a palindrome (444585444).

The spelling of 340144401 in words is "three hundred forty million, one hundred forty-four thousand, four hundred one".