320144625304514 has 8 divisors (see below), whose sum is σ = 481731817888188. Its totient is φ = 159567352675120.

The previous prime is 320144625304499. The next prime is 320144625304549. The reversal of 320144625304514 is 415403526441023.

It can be written as a sum of positive squares in 2 ways, for example, as 243511811668225 + 76632813636289 = 15604865^2 + 8754017^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×320144625304514² (a number of 30 digits) contains 22 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 252479987777 + ... + 252479989044.

Almost surely, 2^{320144625304514} is an apocalyptic number.

320144625304514 is a deficient number, since it is larger than the sum of its proper divisors (161587192583674).

320144625304514 is a wasteful number, since it uses less digits than its factorization.

320144625304514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504959977140.

The product of its (nonzero) digits is 1382400, while the sum is 44.

The spelling of 320144625304514 in words is "three hundred twenty trillion, one hundred forty-four billion, six hundred twenty-five million, three hundred four thousand, five hundred fourteen".