340340120230434 has 16 divisors (see below), whose sum is σ = 710275033524672. Its totient is φ = 108514241232848.

The previous prime is 340340120230427. The next prime is 340340120230459. The reversal of 340340120230434 is 434032021043043.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 340340120230395 and 340340120230404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1233116377509 + ... + 1233116377784.

It is an arithmetic number, because the mean of its divisors is an integer number (44392189595292).

Almost surely, 2^{340340120230434} is an apocalyptic number.

340340120230434 is an abundant number, since it is smaller than the sum of its proper divisors (369934913294238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

340340120230434 is a wasteful number, since it uses less digits than its factorization.

340340120230434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2466232755321.

The product of its (nonzero) digits is 82944, while the sum is 33.

Adding to 340340120230434 its reverse (434032021043043), we get a palindrome (774372141273477).

The spelling of 340340120230434 in words is "three hundred forty trillion, three hundred forty billion, one hundred twenty million, two hundred thirty thousand, four hundred thirty-four".