340436040234 has 32 divisors (see below), whose sum is σ = 686693376000. Its totient is φ = 112509662832.

The previous prime is 340436040233. The next prime is 340436040271. The reversal of 340436040234 is 432040634043.

It is a junction number, because it is equal to n+sod(n) for n = 340436040195 and 340436040204.

It is not an unprimeable number, because it can be changed into a prime (340436040233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 993217 + ... + 1291259.

It is an arithmetic number, because the mean of its divisors is an integer number (21459168000).

Almost surely, 2^340436040234 is an apocalyptic number.

340436040234 is an abundant number, since it is smaller than the sum of its proper divisors (346257335766).

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

340436040234 is a wasteful number, since it uses less digits than its factorization.

340436040234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299674.

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

Adding to 340436040234 its reverse (432040634043), we get a palindrome (772476674277).

The spelling of 340436040234 in words is "three hundred forty billion, four hundred thirty-six million, forty thousand, two hundred thirty-four".