340040340402143 has 8 divisors (see below), whose sum is σ = 341070350775120. Its totient is φ = 339010346283840.

The previous prime is 340040340402067. The next prime is 340040340402151. The reversal of 340040340402143 is 341204043040043.

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

It is a cyclic number.

It is not a de Polignac number, because 340040340402143 - 2⁴⁶ = 269671596224479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340040340402043) 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, 38513363 + ... + 46511931.

It is an arithmetic number, because the mean of its divisors is an integer number (42633793846890).

Almost surely, 2^{340040340402143} is an apocalyptic number.

340040340402143 is a deficient number, since it is larger than the sum of its proper divisors (1030010372977).

340040340402143 is a wasteful number, since it uses less digits than its factorization.

340040340402143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8127337.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 340040340402143 its reverse (341204043040043), we get a palindrome (681244383442186).

The spelling of 340040340402143 in words is "three hundred forty trillion, forty billion, three hundred forty million, four hundred two thousand, one hundred forty-three".