340405354334 has 4 divisors (see below), whose sum is σ = 510608031504. Its totient is φ = 170202677166.

The previous prime is 340405354321. The next prime is 340405354337. The reversal of 340405354334 is 433453504043.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340405354337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85101338582 + ... + 85101338585.

It is an arithmetic number, because the mean of its divisors is an integer number (127652007876).

Almost surely, 2^340405354334 is an apocalyptic number.

340405354334 is a deficient number, since it is larger than the sum of its proper divisors (170202677170).

340405354334 is a wasteful number, since it uses less digits than its factorization.

340405354334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170202677169.

The product of its (nonzero) digits is 518400, while the sum is 38.

Adding to 340405354334 its reverse (433453504043), we get a palindrome (773858858377).

The spelling of 340405354334 in words is "three hundred forty billion, four hundred five million, three hundred fifty-four thousand, three hundred thirty-four".