340510142242 has 4 divisors (see below), whose sum is σ = 510765213366. Its totient is φ = 170255071120.

The previous prime is 340510142207. The next prime is 340510142251. The reversal of 340510142242 is 242241015043.

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

It can be written as a sum of positive squares in only one way, i.e., 220391752681 + 120118389561 = 469459^2 + 346581^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 340510142242.

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 as a sum of consecutive naturals, namely, 85127535559 + ... + 85127535562.

Almost surely, 2^340510142242 is an apocalyptic number.

340510142242 is a deficient number, since it is larger than the sum of its proper divisors (170255071124).

340510142242 is a wasteful number, since it uses less digits than its factorization.

340510142242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170255071123.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 340510142242 its reverse (242241015043), we get a palindrome (582751157285).

The spelling of 340510142242 in words is "three hundred forty billion, five hundred ten million, one hundred forty-two thousand, two hundred forty-two".