340143140452 has 12 divisors (see below), whose sum is σ = 596296634220. Its totient is φ = 169772673536.

The previous prime is 340143140443. The next prime is 340143140453. The reversal of 340143140452 is 254041341043.

It can be written as a sum of positive squares in 2 ways, for example, as 25987374436 + 314155766016 = 161206^2 + 560496^2 .

It is not an unprimeable number, because it can be changed into a prime (340143140453) 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 3 ways as a sum of consecutive naturals, for example, 74721613 + ... + 74726164.

It is an arithmetic number, because the mean of its divisors is an integer number (49691386185).

Almost surely, 2^340143140452 is an apocalyptic number.

It is an amenable number.

340143140452 is a deficient number, since it is larger than the sum of its proper divisors (256153493768).

340143140452 is a wasteful number, since it uses less digits than its factorization.

340143140452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149448350 (or 149448348 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 340143140452 its reverse (254041341043), we get a palindrome (594184481495).

The spelling of 340143140452 in words is "three hundred forty billion, one hundred forty-three million, one hundred forty thousand, four hundred fifty-two".