545568340418 has 8 divisors (see below), whose sum is σ = 819349288380. Its totient is φ = 272451910960.

The previous prime is 545568340393. The next prime is 545568340433. The reversal of 545568340418 is 814043865545.

It can be written as a sum of positive squares in 2 ways, for example, as 501019061929 + 44549278489 = 707827^2 + 211067^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 545568340418.

It is an unprimeable number.

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, 166127573 + ... + 166130856.

Almost surely, 2^545568340418 is an apocalyptic number.

545568340418 is a deficient number, since it is larger than the sum of its proper divisors (273780947962).

545568340418 is a wasteful number, since it uses less digits than its factorization.

545568340418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332259252.

The product of its (nonzero) digits is 9216000, while the sum is 53.

The spelling of 545568340418 in words is "five hundred forty-five billion, five hundred sixty-eight million, three hundred forty thousand, four hundred eighteen".