306332400445546 has 8 divisors (see below), whose sum is σ = 459500684534244. Its totient is φ = 153165505600800.

The previous prime is 306332400445531. The next prime is 306332400445609. The reversal of 306332400445546 is 645544004233603.

It can be written as a sum of positive squares in 2 ways, for example, as 249205846925025 + 57126553520521 = 15786255^2 + 7558211^2 .

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

It is a super-2 number, since 2×306332400445546² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 306332400445546.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 346759555 + ... + 347641846.

Almost surely, 2^{306332400445546} is an apocalyptic number.

306332400445546 is a deficient number, since it is larger than the sum of its proper divisors (153168284088698).

306332400445546 is a wasteful number, since it uses less digits than its factorization.

306332400445546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694621976.

The product of its (nonzero) digits is 12441600, while the sum is 49.

The spelling of 306332400445546 in words is "three hundred six trillion, three hundred thirty-two billion, four hundred million, four hundred forty-five thousand, five hundred forty-six".