340512540279 has 16 divisors (see below), whose sum is σ = 460824858624. Its totient is φ = 223627370400.

The previous prime is 340512540229. The next prime is 340512540281. The reversal of 340512540279 is 972045215043.

It is a happy number.

It is not a de Polignac number, because 340512540279 - 2¹¹ = 340512538231 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 340512540279.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340512540229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2825752 + ... + 2943789.

It is an arithmetic number, because the mean of its divisors is an integer number (28801553664).

Almost surely, 2^340512540279 is an apocalyptic number.

340512540279 is a deficient number, since it is larger than the sum of its proper divisors (120312318345).

340512540279 is a wasteful number, since it uses less digits than its factorization.

340512540279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5769838.

The product of its (nonzero) digits is 302400, while the sum is 42.

The spelling of 340512540279 in words is "three hundred forty billion, five hundred twelve million, five hundred forty thousand, two hundred seventy-nine".