320754140218 has 4 divisors (see below), whose sum is σ = 481131210330. Its totient is φ = 160377070108.

The previous prime is 320754140159. The next prime is 320754140249. The reversal of 320754140218 is 812041457023.

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., 295210748889 + 25543391329 = 543333^2 + 159823^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80188535053 + ... + 80188535056.

Almost surely, 2^320754140218 is an apocalyptic number.

320754140218 is a deficient number, since it is larger than the sum of its proper divisors (160377070112).

320754140218 is a wasteful number, since it uses less digits than its factorization.

320754140218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160377070111.

The product of its (nonzero) digits is 53760, while the sum is 37.

The spelling of 320754140218 in words is "three hundred twenty billion, seven hundred fifty-four million, one hundred forty thousand, two hundred eighteen".