340539043212 has 48 divisors (see below), whose sum is σ = 913323112800. Its totient is φ = 109598771520.

The previous prime is 340539043147. The next prime is 340539043213. The reversal of 340539043212 is 212340935043.

340539043212 is a `hidden beast` number, since 3 + 405 + 39 + 0 + 4 + 3 + 212 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (340539043213) 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, 54361339 + ... + 54367602.

It is an arithmetic number, because the mean of its divisors is an integer number (19027564850).

Almost surely, 2^340539043212 is an apocalyptic number.

It is an amenable number.

340539043212 is an abundant number, since it is smaller than the sum of its proper divisors (572784069588).

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

340539043212 is a wasteful number, since it uses less digits than its factorization.

340539043212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108728983 (or 108728975 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

Adding to 340539043212 its reverse (212340935043), we get a palindrome (552879978255).

The spelling of 340539043212 in words is "three hundred forty billion, five hundred thirty-nine million, forty-three thousand, two hundred twelve".